78945720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93983}}^1$

素因数の和:94004

約数の個数: 64

約数和(自身を含む): 270673920

約数和(自身を除く): 191728200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 93983, 187966, 281949, 375932, 469915, 563898, 657881, 751864, 939830, 1127796, 1315762, 1409745, 1879660, 1973643, 2255592, 2631524, 2819490, 3289405, 3759320, 3947286, 5263048, 5638980, 6578810, 7894572, 9868215, 11277960, 13157620, 15789144, 19736430, 26315240, 39472860, 78945720]

約数ペア:

[(1, 78945720), (2, 39472860), (3, 26315240), (4, 19736430), (5, 15789144), (6, 13157620), (7, 11277960), (8, 9868215), (10, 7894572), (12, 6578810), (14, 5638980), (15, 5263048), (20, 3947286), (21, 3759320), (24, 3289405), (28, 2819490), (30, 2631524), (35, 2255592), (40, 1973643), (42, 1879660), (56, 1409745), (60, 1315762), (70, 1127796), (84, 939830), (105, 751864), (120, 657881), (140, 563898), (168, 469915), (210, 375932), (280, 281949), (420, 187966), (840, 93983)]