1218922020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{250807}}^1$

素因数の和:250831

約数の個数: 72

約数和(自身を含む): 3834352704

約数和(自身を除く): 2615430684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 250807, 501614, 752421, 1003228, 1254035, 1504842, 2257263, 2508070, 3009684, 3762105, 4514526, 5016140, 6771789, 7524210, 9029052, 11286315, 13543578, 15048420, 20315367, 22572630, 27087156, 33858945, 40630734, 45145260, 60946101, 67717890, 81261468, 101576835, 121892202, 135435780, 203153670, 243784404, 304730505, 406307340, 609461010, 1218922020]

約数ペア:

[(1, 1218922020), (2, 609461010), (3, 406307340), (4, 304730505), (5, 243784404), (6, 203153670), (9, 135435780), (10, 121892202), (12, 101576835), (15, 81261468), (18, 67717890), (20, 60946101), (27, 45145260), (30, 40630734), (36, 33858945), (45, 27087156), (54, 22572630), (60, 20315367), (81, 15048420), (90, 13543578), (108, 11286315), (135, 9029052), (162, 7524210), (180, 6771789), (243, 5016140), (270, 4514526), (324, 3762105), (405, 3009684), (486, 2508070), (540, 2257263), (810, 1504842), (972, 1254035), (1215, 1003228), (1620, 752421), (2430, 501614), (4860, 250807)]