1648360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^2$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 4468230

約数和(自身を除く): 2819870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 580, 812, 841, 980, 1015, 1160, 1421, 1624, 1682, 1960, 2030, 2842, 3364, 4060, 4205, 5684, 5887, 6728, 7105, 8120, 8410, 11368, 11774, 14210, 16820, 23548, 28420, 29435, 33640, 41209, 47096, 56840, 58870, 82418, 117740, 164836, 206045, 235480, 329672, 412090, 824180, 1648360]

約数ペア:

[(1, 1648360), (2, 824180), (4, 412090), (5, 329672), (7, 235480), (8, 206045), (10, 164836), (14, 117740), (20, 82418), (28, 58870), (29, 56840), (35, 47096), (40, 41209), (49, 33640), (56, 29435), (58, 28420), (70, 23548), (98, 16820), (116, 14210), (140, 11774), (145, 11368), (196, 8410), (203, 8120), (232, 7105), (245, 6728), (280, 5887), (290, 5684), (392, 4205), (406, 4060), (490, 3364), (580, 2842), (812, 2030), (841, 1960), (980, 1682), (1015, 1624), (1160, 1421)]