68780910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 181004544

約数和(自身を除く): 112223634

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 257, 330, 514, 771, 811, 1285, 1542, 1622, 2433, 2570, 2827, 3855, 4055, 4866, 5654, 7710, 8110, 8481, 8921, 12165, 14135, 16962, 17842, 24330, 26763, 28270, 42405, 44605, 53526, 84810, 89210, 133815, 208427, 267630, 416854, 625281, 1042135, 1250562, 2084270, 2292697, 3126405, 4585394, 6252810, 6878091, 11463485, 13756182, 22926970, 34390455, 68780910]

約数ペア:

[(1, 68780910), (2, 34390455), (3, 22926970), (5, 13756182), (6, 11463485), (10, 6878091), (11, 6252810), (15, 4585394), (22, 3126405), (30, 2292697), (33, 2084270), (55, 1250562), (66, 1042135), (110, 625281), (165, 416854), (257, 267630), (330, 208427), (514, 133815), (771, 89210), (811, 84810), (1285, 53526), (1542, 44605), (1622, 42405), (2433, 28270), (2570, 26763), (2827, 24330), (3855, 17842), (4055, 16962), (4866, 14135), (5654, 12165), (7710, 8921), (8110, 8481)]