159456880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181201}}^1$

素因数の和:181225

約数の個数: 40

約数和(自身を含む): 404442864

約数和(自身を除く): 244985984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 181201, 362402, 724804, 906005, 1449608, 1812010, 1993211, 2899216, 3624020, 3986422, 7248040, 7972844, 9966055, 14496080, 15945688, 19932110, 31891376, 39864220, 79728440, 159456880]

約数ペア:

[(1, 159456880), (2, 79728440), (4, 39864220), (5, 31891376), (8, 19932110), (10, 15945688), (11, 14496080), (16, 9966055), (20, 7972844), (22, 7248040), (40, 3986422), (44, 3624020), (55, 2899216), (80, 1993211), (88, 1812010), (110, 1449608), (176, 906005), (220, 724804), (440, 362402), (880, 181201)]