31678530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1955

約数の個数: 64

約数和(自身を含む): 83825280

約数和(自身を除く): 52146750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1889, 2795, 3354, 3778, 5590, 5667, 8385, 9445, 11334, 16770, 18890, 24557, 28335, 49114, 56670, 73671, 81227, 122785, 147342, 162454, 243681, 245570, 368355, 406135, 487362, 736710, 812270, 1055951, 1218405, 2111902, 2436810, 3167853, 5279755, 6335706, 10559510, 15839265, 31678530]

約数ペア:

[(1, 31678530), (2, 15839265), (3, 10559510), (5, 6335706), (6, 5279755), (10, 3167853), (13, 2436810), (15, 2111902), (26, 1218405), (30, 1055951), (39, 812270), (43, 736710), (65, 487362), (78, 406135), (86, 368355), (129, 245570), (130, 243681), (195, 162454), (215, 147342), (258, 122785), (390, 81227), (430, 73671), (559, 56670), (645, 49114), (1118, 28335), (1290, 24557), (1677, 18890), (1889, 16770), (2795, 11334), (3354, 9445), (3778, 8385), (5590, 5667)]