60639880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{216571}}^1$

素因数の和:216589

約数の個数: 32

約数和(自身を含む): 155931840

約数和(自身を除く): 95291960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 216571, 433142, 866284, 1082855, 1515997, 1732568, 2165710, 3031994, 4331420, 6063988, 7579985, 8662840, 12127976, 15159970, 30319940, 60639880]

約数ペア:

[(1, 60639880), (2, 30319940), (4, 15159970), (5, 12127976), (7, 8662840), (8, 7579985), (10, 6063988), (14, 4331420), (20, 3031994), (28, 2165710), (35, 1732568), (40, 1515997), (56, 1082855), (70, 866284), (140, 433142), (280, 216571)]