1587560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 3991680

約数和(自身を除く): 2404120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 71, 86, 104, 130, 142, 172, 215, 260, 284, 344, 355, 430, 520, 559, 568, 710, 860, 923, 1118, 1420, 1720, 1846, 2236, 2795, 2840, 3053, 3692, 4472, 4615, 5590, 6106, 7384, 9230, 11180, 12212, 15265, 18460, 22360, 24424, 30530, 36920, 39689, 61060, 79378, 122120, 158756, 198445, 317512, 396890, 793780, 1587560]

約数ペア:

[(1, 1587560), (2, 793780), (4, 396890), (5, 317512), (8, 198445), (10, 158756), (13, 122120), (20, 79378), (26, 61060), (40, 39689), (43, 36920), (52, 30530), (65, 24424), (71, 22360), (86, 18460), (104, 15265), (130, 12212), (142, 11180), (172, 9230), (215, 7384), (260, 6106), (284, 5590), (344, 4615), (355, 4472), (430, 3692), (520, 3053), (559, 2840), (568, 2795), (710, 2236), (860, 1846), (923, 1720), (1118, 1420)]