278347260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4639121}}^1$

素因数の和:4639133

約数の個数: 24

約数和(自身を含む): 779372496

約数和(自身を除く): 501025236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4639121, 9278242, 13917363, 18556484, 23195605, 27834726, 46391210, 55669452, 69586815, 92782420, 139173630, 278347260]

約数ペア:

[(1, 278347260), (2, 139173630), (3, 92782420), (4, 69586815), (5, 55669452), (6, 46391210), (10, 27834726), (12, 23195605), (15, 18556484), (20, 13917363), (30, 9278242), (60, 4639121)]