30209960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68659}}^1$

素因数の和:68681

約数の個数: 32

約数和(自身を含む): 74152800

約数和(自身を除く): 43942840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68659, 137318, 274636, 343295, 549272, 686590, 755249, 1373180, 1510498, 2746360, 3020996, 3776245, 6041992, 7552490, 15104980, 30209960]

約数ペア:

[(1, 30209960), (2, 15104980), (4, 7552490), (5, 6041992), (8, 3776245), (10, 3020996), (11, 2746360), (20, 1510498), (22, 1373180), (40, 755249), (44, 686590), (55, 549272), (88, 343295), (110, 274636), (220, 137318), (440, 68659)]