1640880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 5745168

約数和(自身を除く): 4104288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 53, 60, 72, 80, 86, 90, 106, 120, 129, 144, 159, 172, 180, 212, 215, 240, 258, 265, 318, 344, 360, 387, 424, 430, 477, 516, 530, 636, 645, 688, 720, 774, 795, 848, 860, 954, 1032, 1060, 1272, 1290, 1548, 1590, 1720, 1908, 1935, 2064, 2120, 2279, 2385, 2544, 2580, 3096, 3180, 3440, 3816, 3870, 4240, 4558, 4770, 5160, 6192, 6360, 6837, 7632, 7740, 9116, 9540, 10320, 11395, 12720, 13674, 15480, 18232, 19080, 20511, 22790, 27348, 30960, 34185, 36464, 38160, 41022, 45580, 54696, 68370, 82044, 91160, 102555, 109392, 136740, 164088, 182320, 205110, 273480, 328176, 410220, 546960, 820440, 1640880]

約数ペア:

[(1, 1640880), (2, 820440), (3, 546960), (4, 410220), (5, 328176), (6, 273480), (8, 205110), (9, 182320), (10, 164088), (12, 136740), (15, 109392), (16, 102555), (18, 91160), (20, 82044), (24, 68370), (30, 54696), (36, 45580), (40, 41022), (43, 38160), (45, 36464), (48, 34185), (53, 30960), (60, 27348), (72, 22790), (80, 20511), (86, 19080), (90, 18232), (106, 15480), (120, 13674), (129, 12720), (144, 11395), (159, 10320), (172, 9540), (180, 9116), (212, 7740), (215, 7632), (240, 6837), (258, 6360), (265, 6192), (318, 5160), (344, 4770), (360, 4558), (387, 4240), (424, 3870), (430, 3816), (477, 3440), (516, 3180), (530, 3096), (636, 2580), (645, 2544), (688, 2385), (720, 2279), (774, 2120), (795, 2064), (848, 1935), (860, 1908), (954, 1720), (1032, 1590), (1060, 1548), (1272, 1290)]