68786840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3180

約数の個数: 64

約数和(自身を含む): 168588000

約数和(自身を除く): 99801160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 3121, 4408, 5510, 6242, 11020, 12484, 15605, 22040, 24968, 31210, 59299, 62420, 90509, 118598, 124840, 181018, 237196, 296495, 362036, 452545, 474392, 592990, 724072, 905090, 1185980, 1719671, 1810180, 2371960, 3439342, 3620360, 6878684, 8598355, 13757368, 17196710, 34393420, 68786840]

約数ペア:

[(1, 68786840), (2, 34393420), (4, 17196710), (5, 13757368), (8, 8598355), (10, 6878684), (19, 3620360), (20, 3439342), (29, 2371960), (38, 1810180), (40, 1719671), (58, 1185980), (76, 905090), (95, 724072), (116, 592990), (145, 474392), (152, 452545), (190, 362036), (232, 296495), (290, 237196), (380, 181018), (551, 124840), (580, 118598), (760, 90509), (1102, 62420), (1160, 59299), (2204, 31210), (2755, 24968), (3121, 22040), (4408, 15605), (5510, 12484), (6242, 11020)]