31313640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{571}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 94311360

約数和(自身を除く): 62997720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 571, 914, 1142, 1371, 1713, 1828, 2284, 2285, 2742, 2855, 3426, 3656, 4568, 4570, 5484, 5710, 6852, 6855, 8565, 9140, 10968, 11420, 13704, 13710, 17130, 18280, 22840, 27420, 34260, 54840, 68520, 260947, 521894, 782841, 1043788, 1304735, 1565682, 2087576, 2609470, 3131364, 3914205, 5218940, 6262728, 7828410, 10437880, 15656820, 31313640]

約数ペア:

[(1, 31313640), (2, 15656820), (3, 10437880), (4, 7828410), (5, 6262728), (6, 5218940), (8, 3914205), (10, 3131364), (12, 2609470), (15, 2087576), (20, 1565682), (24, 1304735), (30, 1043788), (40, 782841), (60, 521894), (120, 260947), (457, 68520), (571, 54840), (914, 34260), (1142, 27420), (1371, 22840), (1713, 18280), (1828, 17130), (2284, 13710), (2285, 13704), (2742, 11420), (2855, 10968), (3426, 9140), (3656, 8565), (4568, 6855), (4570, 6852), (5484, 5710)]