71218140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169567}}^1$

素因数の和:169586

約数の個数: 48

約数和(自身を含む): 227899392

約数和(自身を除く): 156681252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 169567, 339134, 508701, 678268, 847835, 1017402, 1186969, 1695670, 2034804, 2373938, 2543505, 3391340, 3560907, 4747876, 5087010, 5934845, 7121814, 10174020, 11869690, 14243628, 17804535, 23739380, 35609070, 71218140]

約数ペア:

[(1, 71218140), (2, 35609070), (3, 23739380), (4, 17804535), (5, 14243628), (6, 11869690), (7, 10174020), (10, 7121814), (12, 5934845), (14, 5087010), (15, 4747876), (20, 3560907), (21, 3391340), (28, 2543505), (30, 2373938), (35, 2034804), (42, 1695670), (60, 1186969), (70, 1017402), (84, 847835), (105, 678268), (140, 508701), (210, 339134), (420, 169567)]