21981225120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1108

約数の個数: 384

約数和(自身を含む): 75873853440

約数和(自身を除く): 53892628320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 32, 40, 46, 48, 58, 60, 69, 71, 80, 87, 92, 96, 115, 116, 120, 138, 142, 145, 160, 174, 184, 213, 230, 232, 240, 276, 284, 290, 345, 348, 355, 368, 426, 435, 460, 464, 480, 552, 568, 580, 667, 690, 696, 710, 736, 852, 870, 920, 928, 967, 1065, 1104, 1136, 1160, 1334, 1380, 1392, 1420, 1633, 1704, 1740, 1840, 1934, 2001, 2059, 2130, 2208, 2272, 2320, 2668, 2760, 2784, 2840, 2901, 3266, 3335, 3408, 3480, 3680, 3868, 4002, 4118, 4260, 4640, 4835, 4899, 5336, 5520, 5680, 5802, 6177, 6532, 6670, 6816, 6960, 7736, 8004, 8165, 8236, 8520, 9670, 9798, 10005, 10295, 10672, 11040, 11360, 11604, 12354, 13064, 13340, 13920, 14505, 15472, 16008, 16330, 16472, 17040, 19340, 19596, 20010, 20590, 21344, 22241, 23208, 24495, 24708, 26128, 26680, 28043, 29010, 30885, 30944, 32016, 32660, 32944, 34080, 38680, 39192, 40020, 41180, 44482, 46416, 47357, 48990, 49416, 52256, 53360, 56086, 58020, 61770, 64032, 65320, 65888, 66723, 68657, 77360, 78384, 80040, 82360, 84129, 88964, 92832, 94714, 97980, 98832, 106720, 111205, 112172, 116040, 123540, 130640, 133446, 137314, 140215, 142071, 154720, 156768, 160080, 164720, 168258, 177928, 189428, 195960, 197664, 205971, 222410, 224344, 232080, 236785, 247080, 261280, 266892, 274628, 280430, 284142, 320160, 329440, 333615, 336516, 343285, 355856, 378856, 391920, 411942, 420645, 444820, 448688, 464160, 473570, 494160, 533784, 549256, 560860, 568284, 644989, 667230, 673032, 686570, 710355, 711712, 757712, 783840, 823884, 841290, 889640, 897376, 947140, 988320, 1029855, 1067568, 1098512, 1121720, 1136568, 1289978, 1334460, 1346064, 1373140, 1420710, 1515424, 1579111, 1647768, 1682580, 1779280, 1894280, 1934967, 1991053, 2059710, 2135136, 2197024, 2243440, 2273136, 2579956, 2668920, 2692128, 2746280, 2841420, 3158222, 3224945, 3295536, 3365160, 3558560, 3788560, 3869934, 3982106, 4119420, 4486880, 4546272, 4737333, 5159912, 5337840, 5492560, 5682840, 5973159, 6316444, 6449890, 6591072, 6730320, 7577120, 7739868, 7895555, 7964212, 8238840, 9474666, 9674835, 9955265, 10319824, 10675680, 10985120, 11365680, 11946318, 12632888, 12899780, 13460640, 15479736, 15791110, 15928424, 16477680, 18949332, 19349670, 19910530, 20639648, 22731360, 23686665, 23892636, 25265776, 25799560, 29865795, 30959472, 31582220, 31856848, 32955360, 37898664, 38699340, 39821060, 45794219, 47373330, 47785272, 50531552, 51599120, 59731590, 61918944, 63164440, 63713696, 75797328, 77398680, 79642120, 91588438, 94746660, 95570544, 103198240, 119463180, 126328880, 137382657, 151594656, 154797360, 159284240, 183176876, 189493320, 191141088, 228971095, 238926360, 252657760, 274765314, 309594720, 318568480, 366353752, 378986640, 457942190, 477852720, 549530628, 686913285, 732707504, 757973280, 915884380, 955705440, 1099061256, 1373826570, 1465415008, 1831768760, 2198122512, 2747653140, 3663537520, 4396245024, 5495306280, 7327075040, 10990612560, 21981225120]

約数ペア:

[(1, 21981225120), (2, 10990612560), (3, 7327075040), (4, 5495306280), (5, 4396245024), (6, 3663537520), (8, 2747653140), (10, 2198122512), (12, 1831768760), (15, 1465415008), (16, 1373826570), (20, 1099061256), (23, 955705440), (24, 915884380), (29, 757973280), (30, 732707504), (32, 686913285), (40, 549530628), (46, 477852720), (48, 457942190), (58, 378986640), (60, 366353752), (69, 318568480), (71, 309594720), (80, 274765314), (87, 252657760), (92, 238926360), (96, 228971095), (115, 191141088), (116, 189493320), (120, 183176876), (138, 159284240), (142, 154797360), (145, 151594656), (160, 137382657), (174, 126328880), (184, 119463180), (213, 103198240), (230, 95570544), (232, 94746660), (240, 91588438), (276, 79642120), (284, 77398680), (290, 75797328), (345, 63713696), (348, 63164440), (355, 61918944), (368, 59731590), (426, 51599120), (435, 50531552), (460, 47785272), (464, 47373330), (480, 45794219), (552, 39821060), (568, 38699340), (580, 37898664), (667, 32955360), (690, 31856848), (696, 31582220), (710, 30959472), (736, 29865795), (852, 25799560), (870, 25265776), (920, 23892636), (928, 23686665), (967, 22731360), (1065, 20639648), (1104, 19910530), (1136, 19349670), (1160, 18949332), (1334, 16477680), (1380, 15928424), (1392, 15791110), (1420, 15479736), (1633, 13460640), (1704, 12899780), (1740, 12632888), (1840, 11946318), (1934, 11365680), (2001, 10985120), (2059, 10675680), (2130, 10319824), (2208, 9955265), (2272, 9674835), (2320, 9474666), (2668, 8238840), (2760, 7964212), (2784, 7895555), (2840, 7739868), (2901, 7577120), (3266, 6730320), (3335, 6591072), (3408, 6449890), (3480, 6316444), (3680, 5973159), (3868, 5682840), (4002, 5492560), (4118, 5337840), (4260, 5159912), (4640, 4737333), (4835, 4546272), (4899, 4486880), (5336, 4119420), (5520, 3982106), (5680, 3869934), (5802, 3788560), (6177, 3558560), (6532, 3365160), (6670, 3295536), (6816, 3224945), (6960, 3158222), (7736, 2841420), (8004, 2746280), (8165, 2692128), (8236, 2668920), (8520, 2579956), (9670, 2273136), (9798, 2243440), (10005, 2197024), (10295, 2135136), (10672, 2059710), (11040, 1991053), (11360, 1934967), (11604, 1894280), (12354, 1779280), (13064, 1682580), (13340, 1647768), (13920, 1579111), (14505, 1515424), (15472, 1420710), (16008, 1373140), (16330, 1346064), (16472, 1334460), (17040, 1289978), (19340, 1136568), (19596, 1121720), (20010, 1098512), (20590, 1067568), (21344, 1029855), (22241, 988320), (23208, 947140), (24495, 897376), (24708, 889640), (26128, 841290), (26680, 823884), (28043, 783840), (29010, 757712), (30885, 711712), (30944, 710355), (32016, 686570), (32660, 673032), (32944, 667230), (34080, 644989), (38680, 568284), (39192, 560860), (40020, 549256), (41180, 533784), (44482, 494160), (46416, 473570), (47357, 464160), (48990, 448688), (49416, 444820), (52256, 420645), (53360, 411942), (56086, 391920), (58020, 378856), (61770, 355856), (64032, 343285), (65320, 336516), (65888, 333615), (66723, 329440), (68657, 320160), (77360, 284142), (78384, 280430), (80040, 274628), (82360, 266892), (84129, 261280), (88964, 247080), (92832, 236785), (94714, 232080), (97980, 224344), (98832, 222410), (106720, 205971), (111205, 197664), (112172, 195960), (116040, 189428), (123540, 177928), (130640, 168258), (133446, 164720), (137314, 160080), (140215, 156768), (142071, 154720)]