280217640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2335147}}^1$

素因数の和:2335161

約数の個数: 32

約数和(自身を含む): 840653280

約数和(自身を除く): 560435640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2335147, 4670294, 7005441, 9340588, 11675735, 14010882, 18681176, 23351470, 28021764, 35027205, 46702940, 56043528, 70054410, 93405880, 140108820, 280217640]

約数ペア:

[(1, 280217640), (2, 140108820), (3, 93405880), (4, 70054410), (5, 56043528), (6, 46702940), (8, 35027205), (10, 28021764), (12, 23351470), (15, 18681176), (20, 14010882), (24, 11675735), (30, 9340588), (40, 7005441), (60, 4670294), (120, 2335147)]