1988880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8287}}^1$

素因数の和:8303

約数の個数: 40

約数和(自身を含む): 6166272

約数和(自身を除く): 4177392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8287, 16574, 24861, 33148, 41435, 49722, 66296, 82870, 99444, 124305, 132592, 165740, 198888, 248610, 331480, 397776, 497220, 662960, 994440, 1988880]

約数ペア:

[(1, 1988880), (2, 994440), (3, 662960), (4, 497220), (5, 397776), (6, 331480), (8, 248610), (10, 198888), (12, 165740), (15, 132592), (16, 124305), (20, 99444), (24, 82870), (30, 66296), (40, 49722), (48, 41435), (60, 33148), (80, 24861), (120, 16574), (240, 8287)]