2783017620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359563}}^1$

素因数の和:359621

約数の個数: 72

約数和(自身を含む): 8638165536

約数和(自身を除く): 5855147916

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, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 359563, 719126, 1078689, 1438252, 1797815, 2157378, 3236067, 3595630, 4314756, 5393445, 6472134, 7191260, 10786890, 12944268, 15461209, 16180335, 21573780, 30922418, 32360670, 46383627, 61844836, 64721340, 77306045, 92767254, 139150881, 154612090, 185534508, 231918135, 278301762, 309224180, 463836270, 556603524, 695754405, 927672540, 1391508810, 2783017620]

約数ペア:

[(1, 2783017620), (2, 1391508810), (3, 927672540), (4, 695754405), (5, 556603524), (6, 463836270), (9, 309224180), (10, 278301762), (12, 231918135), (15, 185534508), (18, 154612090), (20, 139150881), (30, 92767254), (36, 77306045), (43, 64721340), (45, 61844836), (60, 46383627), (86, 32360670), (90, 30922418), (129, 21573780), (172, 16180335), (180, 15461209), (215, 12944268), (258, 10786890), (387, 7191260), (430, 6472134), (516, 5393445), (645, 4314756), (774, 3595630), (860, 3236067), (1290, 2157378), (1548, 1797815), (1935, 1438252), (2580, 1078689), (3870, 719126), (7740, 359563)]