221397360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{922489}}^1$

素因数の和:922505

約数の個数: 40

約数和(自身を含む): 686332560

約数和(自身を除く): 464935200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 922489, 1844978, 2767467, 3689956, 4612445, 5534934, 7379912, 9224890, 11069868, 13837335, 14759824, 18449780, 22139736, 27674670, 36899560, 44279472, 55349340, 73799120, 110698680, 221397360]

約数ペア:

[(1, 221397360), (2, 110698680), (3, 73799120), (4, 55349340), (5, 44279472), (6, 36899560), (8, 27674670), (10, 22139736), (12, 18449780), (15, 14759824), (16, 13837335), (20, 11069868), (24, 9224890), (30, 7379912), (40, 5534934), (48, 4612445), (60, 3689956), (80, 2767467), (120, 1844978), (240, 922489)]