68716280

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2423}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 154893600

約数和(自身を除く): 86177320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2423, 2836, 3545, 4846, 5672, 7090, 9692, 12115, 14180, 19384, 24230, 28360, 48460, 96920, 1717907, 3435814, 6871628, 8589535, 13743256, 17179070, 34358140, 68716280]

約数ペア:

[(1, 68716280), (2, 34358140), (4, 17179070), (5, 13743256), (8, 8589535), (10, 6871628), (20, 3435814), (40, 1717907), (709, 96920), (1418, 48460), (2423, 28360), (2836, 24230), (3545, 19384), (4846, 14180), (5672, 12115), (7090, 9692)]