2166180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 6155520

約数和(自身を除く): 3989340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 457, 474, 790, 914, 948, 1185, 1371, 1580, 1828, 2285, 2370, 2742, 4570, 4740, 5484, 6855, 9140, 13710, 27420, 36103, 72206, 108309, 144412, 180515, 216618, 361030, 433236, 541545, 722060, 1083090, 2166180]

約数ペア:

[(1, 2166180), (2, 1083090), (3, 722060), (4, 541545), (5, 433236), (6, 361030), (10, 216618), (12, 180515), (15, 144412), (20, 108309), (30, 72206), (60, 36103), (79, 27420), (158, 13710), (237, 9140), (316, 6855), (395, 5484), (457, 4740), (474, 4570), (790, 2742), (914, 2370), (948, 2285), (1185, 1828), (1371, 1580)]