66571020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5209}}^1$

素因数の和:5295

約数の個数: 72

約数和(自身を含む): 204815520

約数和(自身を除く): 138244500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5209, 6390, 10418, 12780, 15627, 20836, 26045, 31254, 46881, 52090, 62508, 78135, 93762, 104180, 156270, 187524, 234405, 312540, 369839, 468810, 739678, 937620, 1109517, 1479356, 1849195, 2219034, 3328551, 3698390, 4438068, 5547585, 6657102, 7396780, 11095170, 13314204, 16642755, 22190340, 33285510, 66571020]

約数ペア:

[(1, 66571020), (2, 33285510), (3, 22190340), (4, 16642755), (5, 13314204), (6, 11095170), (9, 7396780), (10, 6657102), (12, 5547585), (15, 4438068), (18, 3698390), (20, 3328551), (30, 2219034), (36, 1849195), (45, 1479356), (60, 1109517), (71, 937620), (90, 739678), (142, 468810), (180, 369839), (213, 312540), (284, 234405), (355, 187524), (426, 156270), (639, 104180), (710, 93762), (852, 78135), (1065, 62508), (1278, 52090), (1420, 46881), (2130, 31254), (2556, 26045), (3195, 20836), (4260, 15627), (5209, 12780), (6390, 10418)]