258978840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2158157}}^1$

素因数の和:2158171

約数の個数: 32

約数和(自身を含む): 776936880

約数和(自身を除く): 517958040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2158157, 4316314, 6474471, 8632628, 10790785, 12948942, 17265256, 21581570, 25897884, 32372355, 43163140, 51795768, 64744710, 86326280, 129489420, 258978840]

約数ペア:

[(1, 258978840), (2, 129489420), (3, 86326280), (4, 64744710), (5, 51795768), (6, 43163140), (8, 32372355), (10, 25897884), (12, 21581570), (15, 17265256), (20, 12948942), (24, 10790785), (30, 8632628), (40, 6474471), (60, 4316314), (120, 2158157)]