20489137920

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3467}}^1$

素因数の和:3522

約数の個数: 432

約数和(自身を含む): 77407424640

約数和(自身を除く): 56918286720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 243, 256, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 486, 513, 540, 570, 576, 608, 640, 648, 684, 720, 760, 768, 810, 855, 864, 912, 960, 972, 1026, 1080, 1140, 1152, 1215, 1216, 1280, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 1920, 1944, 2052, 2160, 2280, 2304, 2430, 2432, 2565, 2592, 2736, 2880, 3040, 3078, 3240, 3420, 3456, 3467, 3648, 3840, 3888, 4104, 4320, 4560, 4617, 4860, 4864, 5130, 5184, 5472, 5760, 6080, 6156, 6480, 6840, 6912, 6934, 7296, 7695, 7776, 8208, 8640, 9120, 9234, 9720, 10260, 10368, 10401, 10944, 11520, 12160, 12312, 12960, 13680, 13868, 14592, 15390, 15552, 16416, 17280, 17335, 18240, 18468, 19440, 20520, 20736, 20802, 21888, 23085, 24320, 24624, 25920, 27360, 27736, 30780, 31104, 31203, 32832, 34560, 34670, 36480, 36936, 38880, 41040, 41604, 43776, 46170, 49248, 51840, 52005, 54720, 55472, 61560, 62208, 62406, 65664, 65873, 69340, 72960, 73872, 77760, 82080, 83208, 92340, 93609, 98496, 103680, 104010, 109440, 110944, 123120, 124812, 131328, 131746, 138680, 147744, 155520, 156015, 164160, 166416, 184680, 187218, 196992, 197619, 208020, 218880, 221888, 246240, 249624, 263492, 277360, 280827, 295488, 311040, 312030, 328320, 329365, 332832, 369360, 374436, 393984, 395238, 416040, 443776, 468045, 492480, 499248, 526984, 554720, 561654, 590976, 592857, 624060, 656640, 658730, 665664, 738720, 748872, 790476, 832080, 842481, 887552, 936090, 984960, 988095, 998496, 1053968, 1109440, 1123308, 1181952, 1185714, 1248120, 1317460, 1331328, 1404135, 1477440, 1497744, 1580952, 1664160, 1684962, 1778571, 1872180, 1969920, 1976190, 1996992, 2107936, 2218880, 2246616, 2371428, 2496240, 2634920, 2662656, 2808270, 2954880, 2964285, 2995488, 3161904, 3328320, 3369924, 3557142, 3744360, 3952380, 3993984, 4212405, 4215872, 4437760, 4493232, 4742856, 4992480, 5269840, 5335713, 5616540, 5909760, 5928570, 5990976, 6323808, 6656640, 6739848, 7114284, 7488720, 7904760, 7987968, 8424810, 8431744, 8892855, 8986464, 9485712, 9984960, 10539680, 10671426, 11233080, 11857140, 11981952, 12647616, 13313280, 13479696, 14228568, 14977440, 15809520, 16007139, 16849620, 16863488, 17785710, 17972928, 18971424, 19969920, 21079360, 21342852, 22466160, 23714280, 23963904, 25295232, 26678565, 26959392, 28457136, 29954880, 31619040, 32014278, 33699240, 35571420, 35945856, 37942848, 39939840, 42158720, 42685704, 44932320, 47428560, 50590464, 53357130, 53918784, 56914272, 59909760, 63238080, 64028556, 67398480, 71142840, 71891712, 75885696, 80035695, 84317440, 85371408, 89864640, 94857120, 106714260, 107837568, 113828544, 119819520, 126476160, 128057112, 134796960, 142285680, 151771392, 160071390, 170742816, 179729280, 189714240, 213428520, 215675136, 227657088, 252952320, 256114224, 269593920, 284571360, 320142780, 341485632, 359458560, 379428480, 426857040, 455314176, 512228448, 539187840, 569142720, 640285560, 682971264, 758856960, 853714080, 1024456896, 1078375680, 1138285440, 1280571120, 1365942528, 1707428160, 2048913792, 2276570880, 2561142240, 3414856320, 4097827584, 5122284480, 6829712640, 10244568960, 20489137920]

約数ペア:

[(1, 20489137920), (2, 10244568960), (3, 6829712640), (4, 5122284480), (5, 4097827584), (6, 3414856320), (8, 2561142240), (9, 2276570880), (10, 2048913792), (12, 1707428160), (15, 1365942528), (16, 1280571120), (18, 1138285440), (19, 1078375680), (20, 1024456896), (24, 853714080), (27, 758856960), (30, 682971264), (32, 640285560), (36, 569142720), (38, 539187840), (40, 512228448), (45, 455314176), (48, 426857040), (54, 379428480), (57, 359458560), (60, 341485632), (64, 320142780), (72, 284571360), (76, 269593920), (80, 256114224), (81, 252952320), (90, 227657088), (95, 215675136), (96, 213428520), (108, 189714240), (114, 179729280), (120, 170742816), (128, 160071390), (135, 151771392), (144, 142285680), (152, 134796960), (160, 128057112), (162, 126476160), (171, 119819520), (180, 113828544), (190, 107837568), (192, 106714260), (216, 94857120), (228, 89864640), (240, 85371408), (243, 84317440), (256, 80035695), (270, 75885696), (285, 71891712), (288, 71142840), (304, 67398480), (320, 64028556), (324, 63238080), (342, 59909760), (360, 56914272), (380, 53918784), (384, 53357130), (405, 50590464), (432, 47428560), (456, 44932320), (480, 42685704), (486, 42158720), (513, 39939840), (540, 37942848), (570, 35945856), (576, 35571420), (608, 33699240), (640, 32014278), (648, 31619040), (684, 29954880), (720, 28457136), (760, 26959392), (768, 26678565), (810, 25295232), (855, 23963904), (864, 23714280), (912, 22466160), (960, 21342852), (972, 21079360), (1026, 19969920), (1080, 18971424), (1140, 17972928), (1152, 17785710), (1215, 16863488), (1216, 16849620), (1280, 16007139), (1296, 15809520), (1368, 14977440), (1440, 14228568), (1520, 13479696), (1539, 13313280), (1620, 12647616), (1710, 11981952), (1728, 11857140), (1824, 11233080), (1920, 10671426), (1944, 10539680), (2052, 9984960), (2160, 9485712), (2280, 8986464), (2304, 8892855), (2430, 8431744), (2432, 8424810), (2565, 7987968), (2592, 7904760), (2736, 7488720), (2880, 7114284), (3040, 6739848), (3078, 6656640), (3240, 6323808), (3420, 5990976), (3456, 5928570), (3467, 5909760), (3648, 5616540), (3840, 5335713), (3888, 5269840), (4104, 4992480), (4320, 4742856), (4560, 4493232), (4617, 4437760), (4860, 4215872), (4864, 4212405), (5130, 3993984), (5184, 3952380), (5472, 3744360), (5760, 3557142), (6080, 3369924), (6156, 3328320), (6480, 3161904), (6840, 2995488), (6912, 2964285), (6934, 2954880), (7296, 2808270), (7695, 2662656), (7776, 2634920), (8208, 2496240), (8640, 2371428), (9120, 2246616), (9234, 2218880), (9720, 2107936), (10260, 1996992), (10368, 1976190), (10401, 1969920), (10944, 1872180), (11520, 1778571), (12160, 1684962), (12312, 1664160), (12960, 1580952), (13680, 1497744), (13868, 1477440), (14592, 1404135), (15390, 1331328), (15552, 1317460), (16416, 1248120), (17280, 1185714), (17335, 1181952), (18240, 1123308), (18468, 1109440), (19440, 1053968), (20520, 998496), (20736, 988095), (20802, 984960), (21888, 936090), (23085, 887552), (24320, 842481), (24624, 832080), (25920, 790476), (27360, 748872), (27736, 738720), (30780, 665664), (31104, 658730), (31203, 656640), (32832, 624060), (34560, 592857), (34670, 590976), (36480, 561654), (36936, 554720), (38880, 526984), (41040, 499248), (41604, 492480), (43776, 468045), (46170, 443776), (49248, 416040), (51840, 395238), (52005, 393984), (54720, 374436), (55472, 369360), (61560, 332832), (62208, 329365), (62406, 328320), (65664, 312030), (65873, 311040), (69340, 295488), (72960, 280827), (73872, 277360), (77760, 263492), (82080, 249624), (83208, 246240), (92340, 221888), (93609, 218880), (98496, 208020), (103680, 197619), (104010, 196992), (109440, 187218), (110944, 184680), (123120, 166416), (124812, 164160), (131328, 156015), (131746, 155520), (138680, 147744)]