660490670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 1382386176

約数和(自身を除く): 721895506

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 163, 214, 326, 535, 541, 749, 815, 1070, 1082, 1141, 1498, 1630, 2282, 2705, 3745, 3787, 5410, 5705, 7490, 7574, 11410, 17441, 18935, 34882, 37870, 57887, 87205, 88183, 115774, 122087, 174410, 176366, 244174, 289435, 405209, 440915, 578870, 610435, 617281, 810418, 881830, 1220870, 1234562, 2026045, 3086405, 4052090, 6172810, 9435581, 18871162, 47177905, 66049067, 94355810, 132098134, 330245335, 660490670]

約数ペア:

[(1, 660490670), (2, 330245335), (5, 132098134), (7, 94355810), (10, 66049067), (14, 47177905), (35, 18871162), (70, 9435581), (107, 6172810), (163, 4052090), (214, 3086405), (326, 2026045), (535, 1234562), (541, 1220870), (749, 881830), (815, 810418), (1070, 617281), (1082, 610435), (1141, 578870), (1498, 440915), (1630, 405209), (2282, 289435), (2705, 244174), (3745, 176366), (3787, 174410), (5410, 122087), (5705, 115774), (7490, 88183), (7574, 87205), (11410, 57887), (17441, 37870), (18935, 34882)]