78055880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2467}}^1$

素因数の和:2598

約数の個数: 64

約数和(自身を含む): 202573440

約数和(自身を除く): 124517560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 2467, 3164, 3955, 4520, 4934, 6328, 7910, 9868, 12335, 15820, 17269, 19736, 24670, 31640, 34538, 49340, 69076, 86345, 98680, 138152, 172690, 278771, 345380, 557542, 690760, 1115084, 1393855, 1951397, 2230168, 2787710, 3902794, 5575420, 7805588, 9756985, 11150840, 15611176, 19513970, 39027940, 78055880]

約数ペア:

[(1, 78055880), (2, 39027940), (4, 19513970), (5, 15611176), (7, 11150840), (8, 9756985), (10, 7805588), (14, 5575420), (20, 3902794), (28, 2787710), (35, 2230168), (40, 1951397), (56, 1393855), (70, 1115084), (113, 690760), (140, 557542), (226, 345380), (280, 278771), (452, 172690), (565, 138152), (791, 98680), (904, 86345), (1130, 69076), (1582, 49340), (2260, 34538), (2467, 31640), (3164, 24670), (3955, 19736), (4520, 17269), (4934, 15820), (6328, 12335), (7910, 9868)]