255825960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163991}}^1$

素因数の和:164018

約数の個数: 64

約数和(自身を含む): 826519680

約数和(自身を除く): 570693720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 163991, 327982, 491973, 655964, 819955, 983946, 1311928, 1639910, 1967892, 2131883, 2459865, 3279820, 3935784, 4263766, 4919730, 6395649, 6559640, 8527532, 9839460, 10659415, 12791298, 17055064, 19678920, 21318830, 25582596, 31978245, 42637660, 51165192, 63956490, 85275320, 127912980, 255825960]

約数ペア:

[(1, 255825960), (2, 127912980), (3, 85275320), (4, 63956490), (5, 51165192), (6, 42637660), (8, 31978245), (10, 25582596), (12, 21318830), (13, 19678920), (15, 17055064), (20, 12791298), (24, 10659415), (26, 9839460), (30, 8527532), (39, 6559640), (40, 6395649), (52, 4919730), (60, 4263766), (65, 3935784), (78, 3279820), (104, 2459865), (120, 2131883), (130, 1967892), (156, 1639910), (195, 1311928), (260, 983946), (312, 819955), (390, 655964), (520, 491973), (780, 327982), (1560, 163991)]