72142730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 151538688

約数和(自身を除く): 79395958

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 173, 187, 223, 346, 374, 446, 865, 935, 1115, 1730, 1870, 1903, 2230, 2453, 2941, 3791, 3806, 4906, 5882, 7582, 9515, 12265, 14705, 18955, 19030, 24530, 29410, 32351, 37910, 38579, 41701, 64702, 77158, 83402, 161755, 192895, 208505, 323510, 385790, 417010, 424369, 655843, 848738, 1311686, 2121845, 3279215, 4243690, 6558430, 7214273, 14428546, 36071365, 72142730]

約数ペア:

[(1, 72142730), (2, 36071365), (5, 14428546), (10, 7214273), (11, 6558430), (17, 4243690), (22, 3279215), (34, 2121845), (55, 1311686), (85, 848738), (110, 655843), (170, 424369), (173, 417010), (187, 385790), (223, 323510), (346, 208505), (374, 192895), (446, 161755), (865, 83402), (935, 77158), (1115, 64702), (1730, 41701), (1870, 38579), (1903, 37910), (2230, 32351), (2453, 29410), (2941, 24530), (3791, 19030), (3806, 18955), (4906, 14705), (5882, 12265), (7582, 9515)]