15678734980

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{941}}^1\times {\mathrm{1459}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 33040687680

約数和(自身を除く): 17361952700

約数列:

[1, 2, 4, 5, 10, 20, 571, 941, 1142, 1459, 1882, 2284, 2855, 2918, 3764, 4705, 5710, 5836, 7295, 9410, 11420, 14590, 18820, 29180, 537311, 833089, 1074622, 1372919, 1666178, 2149244, 2686555, 2745838, 3332356, 4165445, 5373110, 5491676, 6864595, 8330890, 10746220, 13729190, 16661780, 27458380, 783936749, 1567873498, 3135746996, 3919683745, 7839367490, 15678734980]

約数ペア:

[(1, 15678734980), (2, 7839367490), (4, 3919683745), (5, 3135746996), (10, 1567873498), (20, 783936749), (571, 27458380), (941, 16661780), (1142, 13729190), (1459, 10746220), (1882, 8330890), (2284, 6864595), (2855, 5491676), (2918, 5373110), (3764, 4165445), (4705, 3332356), (5710, 2745838), (5836, 2686555), (7295, 2149244), (9410, 1666178), (11420, 1372919), (14590, 1074622), (18820, 833089), (29180, 537311)]