31544220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1999}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 88704000

約数和(自身を除く): 57159780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 1999, 2630, 3156, 3945, 3998, 5260, 5997, 7890, 7996, 9995, 11994, 15780, 19990, 23988, 29985, 39980, 59970, 119940, 525737, 1051474, 1577211, 2102948, 2628685, 3154422, 5257370, 6308844, 7886055, 10514740, 15772110, 31544220]

約数ペア:

[(1, 31544220), (2, 15772110), (3, 10514740), (4, 7886055), (5, 6308844), (6, 5257370), (10, 3154422), (12, 2628685), (15, 2102948), (20, 1577211), (30, 1051474), (60, 525737), (263, 119940), (526, 59970), (789, 39980), (1052, 29985), (1315, 23988), (1578, 19990), (1999, 15780), (2630, 11994), (3156, 9995), (3945, 7996), (3998, 7890), (5260, 5997)]