31091970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1664

約数の個数: 96

約数和(自身を含む): 93538368

約数和(自身を除く): 62446398

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 1274, 1365, 1470, 1627, 1911, 2730, 3185, 3254, 3822, 4881, 6370, 8135, 9555, 9762, 11389, 16270, 19110, 21151, 22778, 24405, 34167, 42302, 48810, 56945, 63453, 68334, 79723, 105755, 113890, 126906, 148057, 159446, 170835, 211510, 239169, 296114, 317265, 341670, 398615, 444171, 478338, 634530, 740285, 797230, 888342, 1036399, 1195845, 1480570, 2072798, 2220855, 2391690, 3109197, 4441710, 5181995, 6218394, 10363990, 15545985, 31091970]

約数ペア:

[(1, 31091970), (2, 15545985), (3, 10363990), (5, 6218394), (6, 5181995), (7, 4441710), (10, 3109197), (13, 2391690), (14, 2220855), (15, 2072798), (21, 1480570), (26, 1195845), (30, 1036399), (35, 888342), (39, 797230), (42, 740285), (49, 634530), (65, 478338), (70, 444171), (78, 398615), (91, 341670), (98, 317265), (105, 296114), (130, 239169), (147, 211510), (182, 170835), (195, 159446), (210, 148057), (245, 126906), (273, 113890), (294, 105755), (390, 79723), (455, 68334), (490, 63453), (546, 56945), (637, 48810), (735, 42302), (910, 34167), (1274, 24405), (1365, 22778), (1470, 21151), (1627, 19110), (1911, 16270), (2730, 11389), (3185, 9762), (3254, 9555), (3822, 8135), (4881, 6370)]