72646780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4969}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 165322080

約数和(自身を除く): 92675300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 4969, 7310, 9938, 14620, 19876, 24845, 49690, 84473, 99380, 168946, 213667, 337892, 422365, 427334, 844730, 854668, 1068335, 1689460, 2136670, 3632339, 4273340, 7264678, 14529356, 18161695, 36323390, 72646780]

約数ペア:

[(1, 72646780), (2, 36323390), (4, 18161695), (5, 14529356), (10, 7264678), (17, 4273340), (20, 3632339), (34, 2136670), (43, 1689460), (68, 1068335), (85, 854668), (86, 844730), (170, 427334), (172, 422365), (215, 337892), (340, 213667), (430, 168946), (731, 99380), (860, 84473), (1462, 49690), (2924, 24845), (3655, 19876), (4969, 14620), (7310, 9938)]