15578120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 22783480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 739, 1054, 1240, 1478, 2108, 2635, 2956, 3695, 4216, 5270, 5912, 7390, 10540, 12563, 14780, 21080, 22909, 25126, 29560, 45818, 50252, 62815, 91636, 100504, 114545, 125630, 183272, 229090, 251260, 389453, 458180, 502520, 778906, 916360, 1557812, 1947265, 3115624, 3894530, 7789060, 15578120]

約数ペア:

[(1, 15578120), (2, 7789060), (4, 3894530), (5, 3115624), (8, 1947265), (10, 1557812), (17, 916360), (20, 778906), (31, 502520), (34, 458180), (40, 389453), (62, 251260), (68, 229090), (85, 183272), (124, 125630), (136, 114545), (155, 100504), (170, 91636), (248, 62815), (310, 50252), (340, 45818), (527, 29560), (620, 25126), (680, 22909), (739, 21080), (1054, 14780), (1240, 12563), (1478, 10540), (2108, 7390), (2635, 5912), (2956, 5270), (3695, 4216)]