90821640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8351

約数の個数: 128

約数和(自身を含む): 335381760

約数和(自身を除く): 244560120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 8317, 10920, 16634, 24951, 33268, 41585, 49902, 58219, 66536, 83170, 99804, 108121, 116438, 124755, 166340, 174657, 199608, 216242, 232876, 249510, 291095, 324363, 332680, 349314, 432484, 465752, 499020, 540605, 582190, 648726, 698628, 756847, 864968, 873285, 998040, 1081210, 1164380, 1297452, 1397256, 1513694, 1621815, 1746570, 2162420, 2270541, 2328760, 2594904, 3027388, 3243630, 3493140, 3784235, 4324840, 4541082, 6054776, 6487260, 6986280, 7568470, 9082164, 11352705, 12974520, 15136940, 18164328, 22705410, 30273880, 45410820, 90821640]

約数ペア:

[(1, 90821640), (2, 45410820), (3, 30273880), (4, 22705410), (5, 18164328), (6, 15136940), (7, 12974520), (8, 11352705), (10, 9082164), (12, 7568470), (13, 6986280), (14, 6487260), (15, 6054776), (20, 4541082), (21, 4324840), (24, 3784235), (26, 3493140), (28, 3243630), (30, 3027388), (35, 2594904), (39, 2328760), (40, 2270541), (42, 2162420), (52, 1746570), (56, 1621815), (60, 1513694), (65, 1397256), (70, 1297452), (78, 1164380), (84, 1081210), (91, 998040), (104, 873285), (105, 864968), (120, 756847), (130, 698628), (140, 648726), (156, 582190), (168, 540605), (182, 499020), (195, 465752), (210, 432484), (260, 349314), (273, 332680), (280, 324363), (312, 291095), (364, 249510), (390, 232876), (420, 216242), (455, 199608), (520, 174657), (546, 166340), (728, 124755), (780, 116438), (840, 108121), (910, 99804), (1092, 83170), (1365, 66536), (1560, 58219), (1820, 49902), (2184, 41585), (2730, 33268), (3640, 24951), (5460, 16634), (8317, 10920)]