666531420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{42239}}^1$

素因数の和:42514

約数の個数: 48

約数和(自身を含む): 1873428480

約数和(自身を除く): 1206897060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 5260, 7890, 15780, 42239, 84478, 126717, 168956, 211195, 253434, 422390, 506868, 633585, 844780, 1267170, 2534340, 11108857, 22217714, 33326571, 44435428, 55544285, 66653142, 111088570, 133306284, 166632855, 222177140, 333265710, 666531420]

約数ペア:

[(1, 666531420), (2, 333265710), (3, 222177140), (4, 166632855), (5, 133306284), (6, 111088570), (10, 66653142), (12, 55544285), (15, 44435428), (20, 33326571), (30, 22217714), (60, 11108857), (263, 2534340), (526, 1267170), (789, 844780), (1052, 633585), (1315, 506868), (1578, 422390), (2630, 253434), (3156, 211195), (3945, 168956), (5260, 126717), (7890, 84478), (15780, 42239)]