657452560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2752

約数の個数: 80

約数和(自身を含む): 1627610112

約数和(自身を除く): 970157552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 272, 340, 382, 680, 764, 955, 1360, 1528, 1910, 2531, 3056, 3247, 3820, 5062, 6494, 7640, 10124, 12655, 12988, 15280, 16235, 20248, 25310, 25976, 32470, 40496, 43027, 50620, 51952, 64940, 86054, 101240, 129880, 172108, 202480, 215135, 259760, 344216, 430270, 483421, 688432, 860540, 966842, 1721080, 1933684, 2417105, 3442160, 3867368, 4834210, 7734736, 8218157, 9668420, 16436314, 19336840, 32872628, 38673680, 41090785, 65745256, 82181570, 131490512, 164363140, 328726280, 657452560]

約数ペア:

[(1, 657452560), (2, 328726280), (4, 164363140), (5, 131490512), (8, 82181570), (10, 65745256), (16, 41090785), (17, 38673680), (20, 32872628), (34, 19336840), (40, 16436314), (68, 9668420), (80, 8218157), (85, 7734736), (136, 4834210), (170, 3867368), (191, 3442160), (272, 2417105), (340, 1933684), (382, 1721080), (680, 966842), (764, 860540), (955, 688432), (1360, 483421), (1528, 430270), (1910, 344216), (2531, 259760), (3056, 215135), (3247, 202480), (3820, 172108), (5062, 129880), (6494, 101240), (7640, 86054), (10124, 64940), (12655, 51952), (12988, 50620), (15280, 43027), (16235, 40496), (20248, 32470), (25310, 25976)]