179962520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{61631}}^1$

素因数の和:61715

約数の個数: 32

約数和(自身を含む): 410469120

約数和(自身を除く): 230506600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 61631, 123262, 246524, 308155, 493048, 616310, 1232620, 2465240, 4499063, 8998126, 17996252, 22495315, 35992504, 44990630, 89981260, 179962520]

約数ペア:

[(1, 179962520), (2, 89981260), (4, 44990630), (5, 35992504), (8, 22495315), (10, 17996252), (20, 8998126), (40, 4499063), (73, 2465240), (146, 1232620), (292, 616310), (365, 493048), (584, 308155), (730, 246524), (1460, 123262), (2920, 61631)]