8251020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 26129376

約数和(自身を除く): 17878356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 1993, 2070, 3986, 4140, 5979, 7972, 9965, 11958, 17937, 19930, 23916, 29895, 35874, 39860, 45839, 59790, 71748, 89685, 91678, 119580, 137517, 179370, 183356, 229195, 275034, 358740, 412551, 458390, 550068, 687585, 825102, 916780, 1375170, 1650204, 2062755, 2750340, 4125510, 8251020]

約数ペア:

[(1, 8251020), (2, 4125510), (3, 2750340), (4, 2062755), (5, 1650204), (6, 1375170), (9, 916780), (10, 825102), (12, 687585), (15, 550068), (18, 458390), (20, 412551), (23, 358740), (30, 275034), (36, 229195), (45, 183356), (46, 179370), (60, 137517), (69, 119580), (90, 91678), (92, 89685), (115, 71748), (138, 59790), (180, 45839), (207, 39860), (230, 35874), (276, 29895), (345, 23916), (414, 19930), (460, 17937), (690, 11958), (828, 9965), (1035, 7972), (1380, 5979), (1993, 4140), (2070, 3986)]