20449465920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 1008

約数和(自身を含む): 85598538480

約数和(自身を除く): 65149072560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 24, 26, 30, 32, 34, 36, 38, 39, 40, 45, 48, 51, 52, 57, 60, 64, 65, 68, 72, 76, 78, 80, 85, 89, 90, 95, 96, 102, 104, 114, 117, 120, 130, 136, 144, 152, 153, 156, 160, 170, 171, 178, 180, 190, 192, 195, 204, 208, 221, 228, 234, 240, 247, 255, 260, 267, 272, 285, 288, 304, 306, 312, 320, 323, 340, 342, 356, 360, 361, 380, 390, 408, 416, 442, 445, 456, 468, 480, 494, 510, 520, 534, 544, 570, 576, 585, 608, 612, 624, 646, 663, 680, 684, 712, 720, 722, 741, 760, 765, 780, 801, 816, 832, 855, 884, 890, 912, 936, 960, 969, 988, 1020, 1040, 1068, 1083, 1088, 1105, 1140, 1157, 1170, 1216, 1224, 1235, 1248, 1292, 1326, 1335, 1360, 1368, 1424, 1440, 1444, 1482, 1513, 1520, 1530, 1560, 1602, 1615, 1632, 1691, 1710, 1768, 1780, 1805, 1824, 1872, 1938, 1976, 1989, 2040, 2080, 2136, 2166, 2210, 2223, 2280, 2314, 2340, 2448, 2470, 2496, 2584, 2652, 2670, 2720, 2736, 2848, 2880, 2888, 2907, 2964, 3026, 3040, 3060, 3120, 3204, 3230, 3249, 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約数ペア:

[(1, 20449465920), (2, 10224732960), (3, 6816488640), (4, 5112366480), (5, 4089893184), (6, 3408244320), (8, 2556183240), (9, 2272162880), (10, 2044946592), (12, 1704122160), (13, 1573035840), (15, 1363297728), (16, 1278091620), (17, 1202909760), (18, 1136081440), (19, 1076287680), (20, 1022473296), (24, 852061080), (26, 786517920), (30, 681648864), (32, 639045810), (34, 601454880), (36, 568040720), (38, 538143840), (39, 524345280), (40, 511236648), (45, 454432576), (48, 426030540), (51, 400969920), (52, 393258960), (57, 358762560), (60, 340824432), (64, 319522905), (65, 314607168), (68, 300727440), (72, 284020360), (76, 269071920), (78, 262172640), (80, 255618324), (85, 240581952), (89, 229769280), (90, 227216288), (95, 215257536), (96, 213015270), (102, 200484960), (104, 196629480), (114, 179381280), (117, 174781760), (120, 170412216), (130, 157303584), (136, 150363720), (144, 142010180), (152, 134535960), (153, 133656640), (156, 131086320), (160, 127809162), (170, 120290976), (171, 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26731328), (780, 26217264), (801, 25529920), (816, 25060620), (832, 24578685), (855, 23917504), (884, 23132880), (890, 22976928), (912, 22422660), (936, 21847720), (960, 21301527), (969, 21103680), (988, 20697840), (1020, 20048496), (1040, 19662948), (1068, 19147440), (1083, 18882240), (1088, 18795465), (1105, 18506304), (1140, 17938128), (1157, 17674560), (1170, 17478176), (1216, 16816995), (1224, 16707080), (1235, 16558272), (1248, 16385790), (1292, 15827760), (1326, 15421920), (1335, 15317952), (1360, 15036372), (1368, 14948440), (1424, 14360580), (1440, 14201018), (1444, 14161680), (1482, 13798560), (1513, 13515840), (1520, 13453596), (1530, 13365664), (1560, 13108632), (1602, 12764960), (1615, 12662208), (1632, 12530310), (1691, 12093120), (1710, 11958752), (1768, 11566440), (1780, 11488464), (1805, 11329344), (1824, 11211330), (1872, 10923860), (1938, 10551840), (1976, 10348920), (1989, 10281280), (2040, 10024248), (2080, 9831474), (2136, 9573720), (2166, 9441120), (2210, 9253152), (2223, 9199040), (2280, 8969064), (2314, 8837280), (2340, 8739088), (2448, 8353540), (2470, 8279136), (2496, 8192895), (2584, 7913880), (2652, 7710960), (2670, 7658976), (2720, 7518186), (2736, 7474220), (2848, 7180290), (2880, 7100509), (2888, 7080840), (2907, 7034560), (2964, 6899280), (3026, 6757920), (3040, 6726798), (3060, 6682832), (3120, 6554316), (3204, 6382480), (3230, 6331104), (3249, 6294080), (3264, 6265155), (3315, 6168768), (3382, 6046560), (3420, 5979376), (3471, 5891520), (3536, 5783220), (3560, 5744232), (3610, 5664672), (3648, 5605665), (3705, 5519424), (3744, 5461930), (3876, 5275920), (3952, 5174460), (3978, 5140640), (4005, 5105984), (4080, 5012124), (4160, 4915737), (4199, 4870080), (4272, 4786860), (4332, 4720560), (4420, 4626576), (4446, 4599520), (4539, 4505280), (4560, 4484532), (4628, 4418640), (4680, 4369544), (4693, 4357440), (4845, 4220736), (4896, 4176770), (4940, 4139568), (5073, 4031040), (5168, 3956940), (5304, 3855480), (5340, 3829488), (5415, 3776448), (5440, 3759093), (5472, 3737110), (5696, 3590145), (5776, 3540420), (5785, 3534912), (5814, 3517280), (5928, 3449640), (6052, 3378960), (6080, 3363399), (6120, 3341416), (6137, 3332160), (6240, 3277158), (6408, 3191240), (6460, 3165552), (6498, 3147040), (6630, 3084384), (6764, 3023280), (6840, 2989688), (6942, 2945760), (7072, 2891610), (7120, 2872116), (7220, 2832336), (7410, 2759712), (7488, 2730965), (7565, 2703168), (7752, 2637960), (7904, 2587230), (7956, 2570320), (8010, 2552992), (8160, 2506062), (8398, 2435040), (8455, 2418624), (8544, 2393430), (8664, 2360280), (8840, 2313288), (8892, 2299760), (9078, 2252640), (9120, 2242266), (9256, 2209320), (9360, 2184772), (9386, 2178720), (9690, 2110368), (9792, 2088385), (9880, 2069784), (9945, 2056256), (10146, 2015520), (10336, 1978470), (10413, 1963840), (10608, 1927740), (10680, 1914744), (10830, 1888224), (10944, 1868555), (11115, 1839808), (11552, 1770210), (11570, 1767456), (11628, 1758640), (11856, 1724820), (12104, 1689480), (12240, 1670708), (12274, 1666080), (12480, 1638579), (12597, 1623360), (12816, 1595620), (12920, 1582776), (12996, 1573520), (13260, 1542192), (13528, 1511640), (13617, 1501760), (13680, 1494844), (13884, 1472880), (14079, 1452480), (14144, 1445805), (14240, 1436058), (14440, 1416168), (14535, 1406912), (14820, 1379856), (15130, 1351584), (15219, 1343680), (15504, 1318980), (15808, 1293615), (15912, 1285160), (16020, 1276496), (16245, 1258816), (16320, 1253031), (16796, 1217520), (16910, 1209312), (17088, 1196715), (17328, 1180140), (17355, 1178304), (17680, 1156644), (17784, 1149880), (18156, 1126320), (18240, 1121133), (18411, 1110720), (18512, 1104660), (18720, 1092386), (18772, 1089360), (19380, 1055184), (19669, 1039680), (19760, 1034892), (19890, 1028128), (20292, 1007760), (20672, 989235), (20826, 981920), (20995, 974016), (21216, 963870), (21360, 957372), (21660, 944112), (21983, 930240), (22230, 919904), (22695, 901056), (23104, 885105), (23140, 883728), (23256, 879320), (23465, 871488), (23712, 862410), (24208, 844740), (24480, 835354), (24548, 833040), (25194, 811680), (25365, 806208), (25632, 797810), (25840, 791388), (25992, 786760), (26520, 771096), (27056, 755820), (27234, 750880), (27360, 747422), (27768, 736440), (28158, 726240), (28480, 718029), (28747, 711360), (28880, 708084), (29070, 703456), (29640, 689928), (30260, 675792), (30438, 671840), (30685, 666432), (31008, 659490), (31824, 642580), (32040, 638248), (32129, 636480), (32490, 629408), (33592, 608760), (33820, 604656), (34656, 590070), (34710, 589152), (35360, 578322), (35568, 574940), (36312, 563160), (36822, 555360), (37024, 552330), (37440, 546193), (37544, 544680), (37791, 541120), (38760, 527592), (39338, 519840), (39520, 517446), (39780, 514064), (40584, 503880), (41652, 490960), (41990, 487008), (42237, 484160), (42432, 481935), (42720, 478686), (43320, 472056), (43966, 465120), (44460, 459952), (45390, 450528), (46280, 441864), (46512, 439660), (46930, 435744), (47424, 431205), (48416, 422370), (48960, 417677), (49096, 416520), (50388, 405840), (50730, 403104), (51264, 398905), (51680, 395694), (51984, 393380), (52065, 392768), (53040, 385548), (54112, 377910), (54468, 375440), (54720, 373711), (55233, 370240), (55536, 368220), (56316, 363120), (57494, 355680), (57760, 354042), (58140, 351728), (59007, 346560), (59280, 344964), (60520, 337896), (60876, 335920), (61370, 333216), (62016, 329745), (62985, 324672), (63648, 321290), (64080, 319124), (64258, 318240), (64980, 314704), (65949, 310080), (67184, 304380), (67640, 302328), (68085, 300352), (69312, 295035), (69420, 294576), (70395, 290496), (70720, 289161), (71136, 287470), (72624, 281580), (73644, 277680), (74048, 276165), (75088, 272340), (75582, 270560), (76095, 268736), (77520, 263796), (78676, 259920), (79040, 258723), (79560, 257032), (79781, 256320), (81168, 251940), (83304, 245480), (83980, 243504), (84474, 242080), (85440, 239343), (86241, 237120), (86640, 236028), (87932, 232560), (88920, 229976), (90780, 225264), (92055, 222144), (92560, 220932), (93024, 219830), (93860, 217872), (96387, 212160), (96832, 211185), (98192, 208260), (98345, 207936), (100776, 202920), (101460, 201552), (103360, 197847), (103968, 196690), (104130, 196384), (106080, 192774), (108224, 188955), (108936, 187720), (109915, 186048), (110466, 185120), (111072, 184110), (112632, 181560), (114988, 177840), (115520, 177021), (116280, 175864), (118014, 173280), (118560, 172482), (121040, 168948), (121752, 167960), (122740, 166608), (125970, 162336), (127296, 160645), (128160, 159562), (128516, 159120), (129960, 157352), (131898, 155040), (134368, 152190), (135280, 151164), (136170, 150176), (138840, 147288), (140790, 145248), (142272, 143735)]