3986608640

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 240

約数和(自身を含む): 11323063224

約数和(自身を除く): 7336454584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 128, 140, 160, 196, 224, 244, 245, 256, 280, 305, 320, 392, 427, 448, 488, 490, 512, 521, 560, 610, 640, 784, 854, 896, 976, 980, 1042, 1120, 1220, 1280, 1568, 1708, 1792, 1952, 1960, 2084, 2135, 2240, 2440, 2560, 2605, 2989, 3136, 3416, 3584, 3647, 3904, 3920, 4168, 4270, 4480, 4880, 5210, 5978, 6272, 6832, 7294, 7808, 7840, 8336, 8540, 8960, 9760, 10420, 11956, 12544, 13664, 14588, 14945, 15616, 15680, 16672, 17080, 17920, 18235, 19520, 20840, 23912, 25088, 25529, 27328, 29176, 29890, 31232, 31360, 31781, 33344, 34160, 36470, 39040, 41680, 47824, 51058, 54656, 58352, 59780, 62720, 63562, 66688, 68320, 72940, 78080, 83360, 95648, 102116, 109312, 116704, 119560, 125440, 127124, 127645, 133376, 136640, 145880, 156160, 158905, 166720, 191296, 204232, 218624, 222467, 233408, 239120, 254248, 255290, 266752, 273280, 291760, 317810, 333440, 382592, 408464, 444934, 466816, 478240, 508496, 510580, 546560, 583520, 635620, 666880, 765184, 816928, 889868, 933632, 956480, 1016992, 1021160, 1093120, 1112335, 1167040, 1271240, 1333760, 1530368, 1557269, 1633856, 1779736, 1867264, 1912960, 2033984, 2042320, 2224670, 2334080, 2542480, 3114538, 3267712, 3559472, 3825920, 4067968, 4084640, 4449340, 4668160, 5084960, 6229076, 6535424, 7118944, 7651840, 7786345, 8135936, 8169280, 8898680, 9336320, 10169920, 12458152, 13070848, 14237888, 15572690, 16271872, 16338560, 17797360, 20339840, 24916304, 28475776, 31145380, 32677120, 35594720, 40679680, 49832608, 56951552, 62290760, 65354240, 71189440, 81359360, 99665216, 113903104, 124581520, 142378880, 199330432, 249163040, 284757760, 398660864, 498326080, 569515520, 797321728, 996652160, 1993304320, 3986608640]

約数ペア:

[(1, 3986608640), (2, 1993304320), (4, 996652160), (5, 797321728), (7, 569515520), (8, 498326080), (10, 398660864), (14, 284757760), (16, 249163040), (20, 199330432), (28, 142378880), (32, 124581520), (35, 113903104), (40, 99665216), (49, 81359360), (56, 71189440), (61, 65354240), (64, 62290760), (70, 56951552), (80, 49832608), (98, 40679680), (112, 35594720), (122, 32677120), (128, 31145380), (140, 28475776), (160, 24916304), (196, 20339840), (224, 17797360), (244, 16338560), (245, 16271872), (256, 15572690), (280, 14237888), (305, 13070848), (320, 12458152), (392, 10169920), (427, 9336320), (448, 8898680), (488, 8169280), (490, 8135936), (512, 7786345), (521, 7651840), (560, 7118944), (610, 6535424), (640, 6229076), (784, 5084960), (854, 4668160), (896, 4449340), (976, 4084640), (980, 4067968), (1042, 3825920), (1120, 3559472), (1220, 3267712), (1280, 3114538), (1568, 2542480), (1708, 2334080), (1792, 2224670), (1952, 2042320), (1960, 2033984), (2084, 1912960), (2135, 1867264), (2240, 1779736), (2440, 1633856), (2560, 1557269), (2605, 1530368), (2989, 1333760), (3136, 1271240), (3416, 1167040), (3584, 1112335), (3647, 1093120), (3904, 1021160), (3920, 1016992), (4168, 956480), (4270, 933632), (4480, 889868), (4880, 816928), (5210, 765184), (5978, 666880), (6272, 635620), (6832, 583520), (7294, 546560), (7808, 510580), (7840, 508496), (8336, 478240), (8540, 466816), (8960, 444934), (9760, 408464), (10420, 382592), (11956, 333440), (12544, 317810), (13664, 291760), (14588, 273280), (14945, 266752), (15616, 255290), (15680, 254248), (16672, 239120), (17080, 233408), (17920, 222467), (18235, 218624), (19520, 204232), (20840, 191296), (23912, 166720), (25088, 158905), (25529, 156160), (27328, 145880), (29176, 136640), (29890, 133376), (31232, 127645), (31360, 127124), (31781, 125440), (33344, 119560), (34160, 116704), (36470, 109312), (39040, 102116), (41680, 95648), (47824, 83360), (51058, 78080), (54656, 72940), (58352, 68320), (59780, 66688), (62720, 63562)]