56903340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72953}}^1$

素因数の和:72978

約数の個数: 48

約数和(自身を含む): 171587808

約数和(自身を除く): 114684468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72953, 145906, 218859, 291812, 364765, 437718, 729530, 875436, 948389, 1094295, 1459060, 1896778, 2188590, 2845167, 3793556, 4377180, 4741945, 5690334, 9483890, 11380668, 14225835, 18967780, 28451670, 56903340]

約数ペア:

[(1, 56903340), (2, 28451670), (3, 18967780), (4, 14225835), (5, 11380668), (6, 9483890), (10, 5690334), (12, 4741945), (13, 4377180), (15, 3793556), (20, 2845167), (26, 2188590), (30, 1896778), (39, 1459060), (52, 1094295), (60, 948389), (65, 875436), (78, 729530), (130, 437718), (156, 364765), (195, 291812), (260, 218859), (390, 145906), (780, 72953)]