1666563460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1\times {\mathrm{1439}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 3551385600

約数和(自身を除く): 1884822140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 733, 790, 1439, 1466, 1580, 2878, 2932, 3665, 5756, 7195, 7330, 14390, 14660, 28780, 57907, 113681, 115814, 227362, 231628, 289535, 454724, 568405, 579070, 1054787, 1136810, 1158140, 2109574, 2273620, 4219148, 5273935, 10547870, 21095740, 83328173, 166656346, 333312692, 416640865, 833281730, 1666563460]

約数ペア:

[(1, 1666563460), (2, 833281730), (4, 416640865), (5, 333312692), (10, 166656346), (20, 83328173), (79, 21095740), (158, 10547870), (316, 5273935), (395, 4219148), (733, 2273620), (790, 2109574), (1439, 1158140), (1466, 1136810), (1580, 1054787), (2878, 579070), (2932, 568405), (3665, 454724), (5756, 289535), (7195, 231628), (7330, 227362), (14390, 115814), (14660, 113681), (28780, 57907)]