12680520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 38283840

約数和(自身を除く): 25603320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 421, 502, 753, 842, 1004, 1255, 1263, 1506, 1684, 2008, 2105, 2510, 2526, 3012, 3368, 3765, 4210, 5020, 5052, 6024, 6315, 7530, 8420, 10040, 10104, 12630, 15060, 16840, 25260, 30120, 50520, 105671, 211342, 317013, 422684, 528355, 634026, 845368, 1056710, 1268052, 1585065, 2113420, 2536104, 3170130, 4226840, 6340260, 12680520]

約数ペア:

[(1, 12680520), (2, 6340260), (3, 4226840), (4, 3170130), (5, 2536104), (6, 2113420), (8, 1585065), (10, 1268052), (12, 1056710), (15, 845368), (20, 634026), (24, 528355), (30, 422684), (40, 317013), (60, 211342), (120, 105671), (251, 50520), (421, 30120), (502, 25260), (753, 16840), (842, 15060), (1004, 12630), (1255, 10104), (1263, 10040), (1506, 8420), (1684, 7530), (2008, 6315), (2105, 6024), (2510, 5052), (2526, 5020), (3012, 4210), (3368, 3765)]