31806120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 95904000

約数和(自身を除く): 64097880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1109, 1195, 1434, 1912, 2218, 2390, 2868, 3327, 3585, 4436, 4780, 5545, 5736, 6654, 7170, 8872, 9560, 11090, 13308, 14340, 16635, 22180, 26616, 28680, 33270, 44360, 66540, 133080, 265051, 530102, 795153, 1060204, 1325255, 1590306, 2120408, 2650510, 3180612, 3975765, 5301020, 6361224, 7951530, 10602040, 15903060, 31806120]

約数ペア:

[(1, 31806120), (2, 15903060), (3, 10602040), (4, 7951530), (5, 6361224), (6, 5301020), (8, 3975765), (10, 3180612), (12, 2650510), (15, 2120408), (20, 1590306), (24, 1325255), (30, 1060204), (40, 795153), (60, 530102), (120, 265051), (239, 133080), (478, 66540), (717, 44360), (956, 33270), (1109, 28680), (1195, 26616), (1434, 22180), (1912, 16635), (2218, 14340), (2390, 13308), (2868, 11090), (3327, 9560), (3585, 8872), (4436, 7170), (4780, 6654), (5545, 5736)]