646290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 1729728

約数和(自身を除く): 1083438

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 167, 215, 258, 334, 387, 430, 501, 645, 774, 835, 1002, 1290, 1503, 1670, 1935, 2505, 3006, 3870, 5010, 7181, 7515, 14362, 15030, 21543, 35905, 43086, 64629, 71810, 107715, 129258, 215430, 323145, 646290]

約数ペア:

[(1, 646290), (2, 323145), (3, 215430), (5, 129258), (6, 107715), (9, 71810), (10, 64629), (15, 43086), (18, 35905), (30, 21543), (43, 15030), (45, 14362), (86, 7515), (90, 7181), (129, 5010), (167, 3870), (215, 3006), (258, 2505), (334, 1935), (387, 1670), (430, 1503), (501, 1290), (645, 1002), (774, 835)]