72912560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{130201}}^1$

素因数の和:130221

約数の個数: 40

約数和(自身を含む): 193740576

約数和(自身を除く): 120828016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 130201, 260402, 520804, 651005, 911407, 1041608, 1302010, 1822814, 2083216, 2604020, 3645628, 4557035, 5208040, 7291256, 9114070, 10416080, 14582512, 18228140, 36456280, 72912560]

約数ペア:

[(1, 72912560), (2, 36456280), (4, 18228140), (5, 14582512), (7, 10416080), (8, 9114070), (10, 7291256), (14, 5208040), (16, 4557035), (20, 3645628), (28, 2604020), (35, 2083216), (40, 1822814), (56, 1302010), (70, 1041608), (80, 911407), (112, 651005), (140, 520804), (280, 260402), (560, 130201)]