71870630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 149653008

約数和(自身を除く): 77782378

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 169, 215, 230, 299, 338, 430, 559, 598, 845, 989, 1118, 1495, 1690, 1849, 1978, 2795, 2990, 3698, 3887, 4945, 5590, 7267, 7774, 9245, 9890, 12857, 14534, 18490, 19435, 24037, 25714, 36335, 38870, 42527, 48074, 64285, 72670, 85054, 120185, 128570, 167141, 212635, 240370, 312481, 334282, 425270, 552851, 624962, 835705, 1105702, 1562405, 1671410, 2764255, 3124810, 5528510, 7187063, 14374126, 35935315, 71870630]

約数ペア:

[(1, 71870630), (2, 35935315), (5, 14374126), (10, 7187063), (13, 5528510), (23, 3124810), (26, 2764255), (43, 1671410), (46, 1562405), (65, 1105702), (86, 835705), (115, 624962), (130, 552851), (169, 425270), (215, 334282), (230, 312481), (299, 240370), (338, 212635), (430, 167141), (559, 128570), (598, 120185), (845, 85054), (989, 72670), (1118, 64285), (1495, 48074), (1690, 42527), (1849, 38870), (1978, 36335), (2795, 25714), (2990, 24037), (3698, 19435), (3887, 18490), (4945, 14534), (5590, 12857), (7267, 9890), (7774, 9245)]