20461754880

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 720

約数和(自身を含む): 86228588160

約数和(自身を除く): 65766833280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 128, 136, 140, 144, 153, 160, 168, 170, 180, 192, 204, 210, 224, 238, 240, 252, 255, 256, 272, 280, 288, 289, 306, 315, 320, 336, 340, 357, 360, 384, 408, 420, 439, 448, 476, 480, 504, 510, 512, 544, 560, 576, 578, 595, 612, 630, 640, 672, 680, 714, 720, 765, 768, 816, 840, 867, 878, 896, 952, 960, 1008, 1020, 1071, 1088, 1120, 1152, 1156, 1190, 1224, 1260, 1280, 1317, 1344, 1360, 1428, 1440, 1445, 1530, 1536, 1632, 1680, 1734, 1756, 1785, 1792, 1904, 1920, 2016, 2023, 2040, 2142, 2176, 2195, 2240, 2304, 2312, 2380, 2448, 2520, 2560, 2601, 2634, 2688, 2720, 2856, 2880, 2890, 3060, 3073, 3264, 3360, 3468, 3512, 3570, 3584, 3808, 3840, 3951, 4032, 4046, 4080, 4284, 4335, 4352, 4390, 4480, 4608, 4624, 4760, 4896, 5040, 5202, 5268, 5355, 5376, 5440, 5712, 5760, 5780, 6069, 6120, 6146, 6528, 6585, 6720, 6936, 7024, 7140, 7463, 7616, 7680, 7902, 8064, 8092, 8160, 8568, 8670, 8704, 8780, 8960, 9219, 9248, 9520, 9792, 10080, 10115, 10404, 10536, 10710, 10752, 10880, 11424, 11520, 11560, 12138, 12240, 12292, 13005, 13056, 13170, 13440, 13872, 14048, 14280, 14926, 15232, 15365, 15804, 16128, 16184, 16320, 17136, 17340, 17560, 17920, 18207, 18438, 18496, 19040, 19584, 19755, 20160, 20230, 20808, 21072, 21420, 21760, 22389, 22848, 23040, 23120, 24276, 24480, 24584, 26010, 26112, 26340, 26880, 27657, 27744, 28096, 28560, 29852, 30345, 30464, 30730, 31608, 32256, 32368, 32640, 34272, 34680, 35120, 36414, 36876, 36992, 37315, 38080, 39168, 39510, 40320, 40460, 41616, 42144, 42840, 43520, 44778, 45696, 46095, 46240, 48552, 48960, 49168, 52020, 52241, 52680, 53760, 55314, 55488, 56192, 57120, 59704, 60690, 60928, 61460, 63216, 64736, 65280, 67167, 68544, 69360, 70240, 72828, 73752, 73984, 74630, 76160, 78336, 79020, 80640, 80920, 83232, 84288, 85680, 89556, 91035, 91392, 92190, 92480, 97104, 97920, 98336, 104040, 104482, 105360, 110628, 110976, 111945, 112384, 114240, 119408, 121380, 122920, 126432, 126871, 129472, 130560, 134334, 137088, 138285, 138720, 140480, 145656, 147504, 147968, 149260, 152320, 156723, 158040, 161280, 161840, 166464, 168576, 171360, 179112, 182070, 182784, 184380, 184960, 194208, 195840, 196672, 208080, 208964, 210720, 221256, 221952, 223890, 224768, 228480, 238816, 242760, 245840, 252864, 253742, 258944, 261205, 268668, 274176, 276570, 277440, 280960, 291312, 295008, 298520, 304640, 313446, 316080, 323680, 332928, 335835, 337152, 342720, 358224, 364140, 368760, 369920, 380613, 388416, 391680, 393344, 416160, 417928, 421440, 442512, 443904, 447780, 456960, 470169, 477632, 485520, 491680, 505728, 507484, 517888, 522410, 537336, 548352, 553140, 554880, 561920, 582624, 590016, 597040, 626892, 632160, 634355, 647360, 665856, 671670, 674304, 685440, 716448, 728280, 737520, 739840, 761226, 776832, 783615, 786688, 832320, 835856, 842880, 885024, 888097, 895560, 913920, 940338, 955264, 971040, 983360, 1011456, 1014968, 1035776, 1044820, 1074672, 1106280, 1109760, 1123840, 1141839, 1165248, 1180032, 1194080, 1253784, 1264320, 1268710, 1294720, 1331712, 1343340, 1370880, 1432896, 1456560, 1475040, 1522452, 1553664, 1567230, 1573376, 1664640, 1671712, 1685760, 1770048, 1776194, 1791120, 1880676, 1903065, 1910528, 1942080, 1966720, 2022912, 2029936, 2089640, 2149344, 2212560, 2219520, 2283678, 2330496, 2350845, 2360064, 2388160, 2507568, 2528640, 2537420, 2589440, 2664291, 2686680, 2741760, 2865792, 2913120, 2950080, 3044904, 3107328, 3134460, 3329280, 3343424, 3371520, 3540096, 3552388, 3582240, 3761352, 3806130, 3821056, 3884160, 3933440, 4059872, 4179280, 4298688, 4425120, 4440485, 4567356, 4660992, 4701690, 4720128, 4776320, 5015136, 5057280, 5074840, 5178880, 5328582, 5373360, 5709195, 5731584, 5826240, 5900160, 6089808, 6268920, 6658560, 6686848, 7080192, 7104776, 7164480, 7522704, 7612260, 7768320, 7866880, 7992873, 8119744, 8358560, 8597376, 8850240, 8880970, 9134712, 9321984, 9403380, 9552640, 10030272, 10114560, 10149680, 10657164, 10746720, 11418390, 11463168, 11652480, 11800320, 12179616, 12537840, 13321455, 13373696, 14160384, 14209552, 14328960, 15045408, 15224520, 15536640, 15985746, 16239488, 16717120, 17194752, 17700480, 17761940, 18269424, 18806760, 19105280, 20060544, 20299360, 21314328, 21493440, 22836780, 23304960, 23600640, 24359232, 25075680, 26642910, 26747392, 28419104, 28657920, 30090816, 30449040, 31971492, 32478976, 33434240, 34389504, 35400960, 35523880, 36538848, 37613520, 39964365, 40121088, 40598720, 42628656, 42986880, 45673560, 46609920, 48718464, 50151360, 53285820, 56838208, 57315840, 60181632, 60898080, 63942984, 64957952, 66868480, 70801920, 71047760, 73077696, 75227040, 79928730, 80242176, 81197440, 85257312, 85973760, 91347120, 97436928, 100302720, 106571640, 113676416, 120363264, 121796160, 127885968, 133736960, 142095520, 146155392, 150454080, 159857460, 162394880, 170514624, 171947520, 182694240, 194873856, 200605440, 213143280, 227352832, 240726528, 243592320, 255771936, 284191040, 292310784, 300908160, 319714920, 324789760, 341029248, 365388480, 401210880, 426286560, 454705664, 487184640, 511543872, 568382080, 584621568, 601816320, 639429840, 682058496, 730776960, 852573120, 974369280, 1023087744, 1136764160, 1203632640, 1278859680, 1364116992, 1461553920, 1705146240, 2046175488, 2273528320, 2557719360, 2923107840, 3410292480, 4092350976, 5115438720, 6820584960, 10230877440, 20461754880]

約数ペア:

[(1, 20461754880), (2, 10230877440), (3, 6820584960), (4, 5115438720), (5, 4092350976), (6, 3410292480), (7, 2923107840), (8, 2557719360), (9, 2273528320), (10, 2046175488), (12, 1705146240), (14, 1461553920), (15, 1364116992), (16, 1278859680), (17, 1203632640), (18, 1136764160), (20, 1023087744), (21, 974369280), (24, 852573120), (28, 730776960), (30, 682058496), (32, 639429840), (34, 601816320), (35, 584621568), (36, 568382080), (40, 511543872), (42, 487184640), (45, 454705664), (48, 426286560), (51, 401210880), (56, 365388480), (60, 341029248), (63, 324789760), (64, 319714920), (68, 300908160), (70, 292310784), (72, 284191040), (80, 255771936), (84, 243592320), (85, 240726528), (90, 227352832), (96, 213143280), (102, 200605440), (105, 194873856), (112, 182694240), (119, 171947520), (120, 170514624), (126, 162394880), (128, 159857460), (136, 150454080), (140, 146155392), (144, 142095520), (153, 133736960), (160, 127885968), (168, 121796160), (170, 120363264), (180, 113676416), (192, 106571640), (204, 100302720), (210, 97436928), (224, 91347120), (238, 85973760), (240, 85257312), (252, 81197440), (255, 80242176), (256, 79928730), (272, 75227040), (280, 73077696), (288, 71047760), (289, 70801920), (306, 66868480), (315, 64957952), (320, 63942984), (336, 60898080), (340, 60181632), (357, 57315840), (360, 56838208), (384, 53285820), (408, 50151360), (420, 48718464), (439, 46609920), (448, 45673560), (476, 42986880), (480, 42628656), (504, 40598720), (510, 40121088), (512, 39964365), (544, 37613520), (560, 36538848), (576, 35523880), (578, 35400960), (595, 34389504), (612, 33434240), (630, 32478976), (640, 31971492), (672, 30449040), (680, 30090816), (714, 28657920), (720, 28419104), (765, 26747392), (768, 26642910), (816, 25075680), (840, 24359232), (867, 23600640), (878, 23304960), (896, 22836780), (952, 21493440), (960, 21314328), (1008, 20299360), (1020, 20060544), (1071, 19105280), (1088, 18806760), (1120, 18269424), (1152, 17761940), (1156, 17700480), (1190, 17194752), (1224, 16717120), (1260, 16239488), (1280, 15985746), (1317, 15536640), (1344, 15224520), (1360, 15045408), (1428, 14328960), (1440, 14209552), (1445, 14160384), (1530, 13373696), (1536, 13321455), (1632, 12537840), (1680, 12179616), (1734, 11800320), (1756, 11652480), (1785, 11463168), (1792, 11418390), (1904, 10746720), (1920, 10657164), (2016, 10149680), (2023, 10114560), (2040, 10030272), (2142, 9552640), (2176, 9403380), (2195, 9321984), (2240, 9134712), (2304, 8880970), (2312, 8850240), (2380, 8597376), (2448, 8358560), (2520, 8119744), (2560, 7992873), (2601, 7866880), (2634, 7768320), (2688, 7612260), (2720, 7522704), (2856, 7164480), (2880, 7104776), (2890, 7080192), (3060, 6686848), (3073, 6658560), (3264, 6268920), (3360, 6089808), (3468, 5900160), (3512, 5826240), (3570, 5731584), (3584, 5709195), (3808, 5373360), (3840, 5328582), (3951, 5178880), (4032, 5074840), (4046, 5057280), (4080, 5015136), (4284, 4776320), (4335, 4720128), (4352, 4701690), (4390, 4660992), (4480, 4567356), (4608, 4440485), (4624, 4425120), (4760, 4298688), (4896, 4179280), (5040, 4059872), (5202, 3933440), (5268, 3884160), (5355, 3821056), (5376, 3806130), (5440, 3761352), (5712, 3582240), (5760, 3552388), (5780, 3540096), (6069, 3371520), (6120, 3343424), (6146, 3329280), (6528, 3134460), (6585, 3107328), (6720, 3044904), (6936, 2950080), (7024, 2913120), (7140, 2865792), (7463, 2741760), (7616, 2686680), (7680, 2664291), (7902, 2589440), (8064, 2537420), (8092, 2528640), (8160, 2507568), (8568, 2388160), (8670, 2360064), (8704, 2350845), (8780, 2330496), (8960, 2283678), (9219, 2219520), (9248, 2212560), (9520, 2149344), (9792, 2089640), (10080, 2029936), (10115, 2022912), (10404, 1966720), (10536, 1942080), (10710, 1910528), (10752, 1903065), (10880, 1880676), (11424, 1791120), (11520, 1776194), (11560, 1770048), (12138, 1685760), (12240, 1671712), (12292, 1664640), (13005, 1573376), (13056, 1567230), (13170, 1553664), (13440, 1522452), (13872, 1475040), (14048, 1456560), (14280, 1432896), (14926, 1370880), (15232, 1343340), (15365, 1331712), (15804, 1294720), (16128, 1268710), (16184, 1264320), (16320, 1253784), (17136, 1194080), (17340, 1180032), (17560, 1165248), (17920, 1141839), (18207, 1123840), (18438, 1109760), (18496, 1106280), (19040, 1074672), (19584, 1044820), (19755, 1035776), (20160, 1014968), (20230, 1011456), (20808, 983360), (21072, 971040), (21420, 955264), (21760, 940338), (22389, 913920), (22848, 895560), (23040, 888097), (23120, 885024), (24276, 842880), (24480, 835856), (24584, 832320), (26010, 786688), (26112, 783615), (26340, 776832), (26880, 761226), (27657, 739840), (27744, 737520), (28096, 728280), (28560, 716448), (29852, 685440), (30345, 674304), (30464, 671670), (30730, 665856), (31608, 647360), (32256, 634355), (32368, 632160), (32640, 626892), (34272, 597040), (34680, 590016), (35120, 582624), (36414, 561920), (36876, 554880), (36992, 553140), (37315, 548352), (38080, 537336), (39168, 522410), (39510, 517888), (40320, 507484), (40460, 505728), (41616, 491680), (42144, 485520), (42840, 477632), (43520, 470169), (44778, 456960), (45696, 447780), (46095, 443904), (46240, 442512), (48552, 421440), (48960, 417928), (49168, 416160), (52020, 393344), (52241, 391680), (52680, 388416), (53760, 380613), (55314, 369920), (55488, 368760), (56192, 364140), (57120, 358224), (59704, 342720), (60690, 337152), (60928, 335835), (61460, 332928), (63216, 323680), (64736, 316080), (65280, 313446), (67167, 304640), (68544, 298520), (69360, 295008), (70240, 291312), (72828, 280960), (73752, 277440), (73984, 276570), (74630, 274176), (76160, 268668), (78336, 261205), (79020, 258944), (80640, 253742), (80920, 252864), (83232, 245840), (84288, 242760), (85680, 238816), (89556, 228480), (91035, 224768), (91392, 223890), (92190, 221952), (92480, 221256), (97104, 210720), (97920, 208964), (98336, 208080), (104040, 196672), (104482, 195840), (105360, 194208), (110628, 184960), (110976, 184380), (111945, 182784), (112384, 182070), (114240, 179112), (119408, 171360), (121380, 168576), (122920, 166464), (126432, 161840), (126871, 161280), (129472, 158040), (130560, 156723), (134334, 152320), (137088, 149260), (138285, 147968), (138720, 147504), (140480, 145656)]