215241660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27809}}^1$

素因数の和:27867

約数の個数: 72

約数和(自身を含む): 668107440

約数和(自身を除く): 452865780

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, 27809, 55618, 83427, 111236, 139045, 166854, 250281, 278090, 333708, 417135, 500562, 556180, 834270, 1001124, 1195787, 1251405, 1668540, 2391574, 2502810, 3587361, 4783148, 5005620, 5978935, 7174722, 10762083, 11957870, 14349444, 17936805, 21524166, 23915740, 35873610, 43048332, 53810415, 71747220, 107620830, 215241660]

約数ペア:

[(1, 215241660), (2, 107620830), (3, 71747220), (4, 53810415), (5, 43048332), (6, 35873610), (9, 23915740), (10, 21524166), (12, 17936805), (15, 14349444), (18, 11957870), (20, 10762083), (30, 7174722), (36, 5978935), (43, 5005620), (45, 4783148), (60, 3587361), (86, 2502810), (90, 2391574), (129, 1668540), (172, 1251405), (180, 1195787), (215, 1001124), (258, 834270), (387, 556180), (430, 500562), (516, 417135), (645, 333708), (774, 278090), (860, 250281), (1290, 166854), (1548, 139045), (1935, 111236), (2580, 83427), (3870, 55618), (7740, 27809)]