2840580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 8840832

約数和(自身を除く): 6000252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 367, 387, 430, 516, 645, 734, 774, 860, 1101, 1290, 1468, 1548, 1835, 1935, 2202, 2580, 3303, 3670, 3870, 4404, 5505, 6606, 7340, 7740, 11010, 13212, 15781, 16515, 22020, 31562, 33030, 47343, 63124, 66060, 78905, 94686, 142029, 157810, 189372, 236715, 284058, 315620, 473430, 568116, 710145, 946860, 1420290, 2840580]

約数ペア:

[(1, 2840580), (2, 1420290), (3, 946860), (4, 710145), (5, 568116), (6, 473430), (9, 315620), (10, 284058), (12, 236715), (15, 189372), (18, 157810), (20, 142029), (30, 94686), (36, 78905), (43, 66060), (45, 63124), (60, 47343), (86, 33030), (90, 31562), (129, 22020), (172, 16515), (180, 15781), (215, 13212), (258, 11010), (367, 7740), (387, 7340), (430, 6606), (516, 5505), (645, 4404), (734, 3870), (774, 3670), (860, 3303), (1101, 2580), (1290, 2202), (1468, 1935), (1548, 1835)]