8290020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4500

約数の個数: 48

約数和(自身を含む): 23966208

約数和(自身を除く): 15676188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 4457, 8914, 13371, 17828, 22285, 26742, 44570, 53484, 66855, 89140, 133710, 138167, 267420, 276334, 414501, 552668, 690835, 829002, 1381670, 1658004, 2072505, 2763340, 4145010, 8290020]

約数ペア:

[(1, 8290020), (2, 4145010), (3, 2763340), (4, 2072505), (5, 1658004), (6, 1381670), (10, 829002), (12, 690835), (15, 552668), (20, 414501), (30, 276334), (31, 267420), (60, 138167), (62, 133710), (93, 89140), (124, 66855), (155, 53484), (186, 44570), (310, 26742), (372, 22285), (465, 17828), (620, 13371), (930, 8914), (1860, 4457)]