64428560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 173012736

約数和(自身を除く): 108584176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1117, 1442, 1648, 2060, 2234, 2884, 3605, 4120, 4468, 5585, 5768, 7210, 7819, 8240, 8936, 11170, 11536, 14420, 15638, 17872, 22340, 28840, 31276, 39095, 44680, 57680, 62552, 78190, 89360, 115051, 125104, 156380, 230102, 312760, 460204, 575255, 625520, 805357, 920408, 1150510, 1610714, 1840816, 2301020, 3221428, 4026785, 4602040, 6442856, 8053570, 9204080, 12885712, 16107140, 32214280, 64428560]

約数ペア:

[(1, 64428560), (2, 32214280), (4, 16107140), (5, 12885712), (7, 9204080), (8, 8053570), (10, 6442856), (14, 4602040), (16, 4026785), (20, 3221428), (28, 2301020), (35, 1840816), (40, 1610714), (56, 1150510), (70, 920408), (80, 805357), (103, 625520), (112, 575255), (140, 460204), (206, 312760), (280, 230102), (412, 156380), (515, 125104), (560, 115051), (721, 89360), (824, 78190), (1030, 62552), (1117, 57680), (1442, 44680), (1648, 39095), (2060, 31276), (2234, 28840), (2884, 22340), (3605, 17872), (4120, 15638), (4468, 14420), (5585, 11536), (5768, 11170), (7210, 8936), (7819, 8240)]