78887760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{46957}}^1$

素因数の和:46980

約数の個数: 80

約数和(自身を含む): 279494016

約数和(自身を除く): 200606256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 46957, 93914, 140871, 187828, 234785, 281742, 328699, 375656, 469570, 563484, 657398, 704355, 751312, 939140, 986097, 1126968, 1314796, 1408710, 1643495, 1878280, 1972194, 2253936, 2629592, 2817420, 3286990, 3756560, 3944388, 4930485, 5259184, 5634840, 6573980, 7888776, 9860970, 11269680, 13147960, 15777552, 19721940, 26295920, 39443880, 78887760]

約数ペア:

[(1, 78887760), (2, 39443880), (3, 26295920), (4, 19721940), (5, 15777552), (6, 13147960), (7, 11269680), (8, 9860970), (10, 7888776), (12, 6573980), (14, 5634840), (15, 5259184), (16, 4930485), (20, 3944388), (21, 3756560), (24, 3286990), (28, 2817420), (30, 2629592), (35, 2253936), (40, 1972194), (42, 1878280), (48, 1643495), (56, 1408710), (60, 1314796), (70, 1126968), (80, 986097), (84, 939140), (105, 751312), (112, 704355), (120, 657398), (140, 563484), (168, 469570), (210, 375656), (240, 328699), (280, 281742), (336, 234785), (420, 187828), (560, 140871), (840, 93914), (1680, 46957)]