72131880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1499}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 217080000

約数和(自身を除く): 144948120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1499, 1604, 2005, 2406, 2998, 3208, 4010, 4497, 4812, 5996, 6015, 7495, 8020, 8994, 9624, 11992, 12030, 14990, 16040, 17988, 22485, 24060, 29980, 35976, 44970, 48120, 59960, 89940, 179880, 601099, 1202198, 1803297, 2404396, 3005495, 3606594, 4808792, 6010990, 7213188, 9016485, 12021980, 14426376, 18032970, 24043960, 36065940, 72131880]

約数ペア:

[(1, 72131880), (2, 36065940), (3, 24043960), (4, 18032970), (5, 14426376), (6, 12021980), (8, 9016485), (10, 7213188), (12, 6010990), (15, 4808792), (20, 3606594), (24, 3005495), (30, 2404396), (40, 1803297), (60, 1202198), (120, 601099), (401, 179880), (802, 89940), (1203, 59960), (1499, 48120), (1604, 44970), (2005, 35976), (2406, 29980), (2998, 24060), (3208, 22485), (4010, 17988), (4497, 16040), (4812, 14990), (5996, 12030), (6015, 11992), (7495, 9624), (8020, 8994)]