217808520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17971}}^1$

素因数の和:18086

約数の個数: 64

約数和(自身を含む): 659931840

約数和(自身を除く): 442123320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 17971, 35942, 53913, 71884, 89855, 107826, 143768, 179710, 215652, 269565, 359420, 431304, 539130, 718840, 1078260, 1815071, 2156520, 3630142, 5445213, 7260284, 9075355, 10890426, 14520568, 18150710, 21780852, 27226065, 36301420, 43561704, 54452130, 72602840, 108904260, 217808520]

約数ペア:

[(1, 217808520), (2, 108904260), (3, 72602840), (4, 54452130), (5, 43561704), (6, 36301420), (8, 27226065), (10, 21780852), (12, 18150710), (15, 14520568), (20, 10890426), (24, 9075355), (30, 7260284), (40, 5445213), (60, 3630142), (101, 2156520), (120, 1815071), (202, 1078260), (303, 718840), (404, 539130), (505, 431304), (606, 359420), (808, 269565), (1010, 215652), (1212, 179710), (1515, 143768), (2020, 107826), (2424, 89855), (3030, 71884), (4040, 53913), (6060, 35942), (12120, 17971)]