17956920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 36325320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 991, 1208, 1510, 1812, 1982, 2265, 2973, 3020, 3624, 3964, 4530, 4955, 5946, 6040, 7928, 9060, 9910, 11892, 14865, 18120, 19820, 23784, 29730, 39640, 59460, 118920, 149641, 299282, 448923, 598564, 748205, 897846, 1197128, 1496410, 1795692, 2244615, 2992820, 3591384, 4489230, 5985640, 8978460, 17956920]

約数ペア:

[(1, 17956920), (2, 8978460), (3, 5985640), (4, 4489230), (5, 3591384), (6, 2992820), (8, 2244615), (10, 1795692), (12, 1496410), (15, 1197128), (20, 897846), (24, 748205), (30, 598564), (40, 448923), (60, 299282), (120, 149641), (151, 118920), (302, 59460), (453, 39640), (604, 29730), (755, 23784), (906, 19820), (991, 18120), (1208, 14865), (1510, 11892), (1812, 9910), (1982, 9060), (2265, 7928), (2973, 6040), (3020, 5946), (3624, 4955), (3964, 4530)]