31500120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{262501}}^1$

素因数の和:262515

約数の個数: 32

約数和(自身を含む): 94500720

約数和(自身を除く): 63000600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 262501, 525002, 787503, 1050004, 1312505, 1575006, 2100008, 2625010, 3150012, 3937515, 5250020, 6300024, 7875030, 10500040, 15750060, 31500120]

約数ペア:

[(1, 31500120), (2, 15750060), (3, 10500040), (4, 7875030), (5, 6300024), (6, 5250020), (8, 3937515), (10, 3150012), (12, 2625010), (15, 2100008), (20, 1575006), (24, 1312505), (30, 1050004), (40, 787503), (60, 525002), (120, 262501)]