77897640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649147}}^1$

素因数の和:649161

約数の個数: 32

約数和(自身を含む): 233693280

約数和(自身を除く): 155795640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649147, 1298294, 1947441, 2596588, 3245735, 3894882, 5193176, 6491470, 7789764, 9737205, 12982940, 15579528, 19474410, 25965880, 38948820, 77897640]

約数ペア:

[(1, 77897640), (2, 38948820), (3, 25965880), (4, 19474410), (5, 15579528), (6, 12982940), (8, 9737205), (10, 7789764), (12, 6491470), (15, 5193176), (20, 3894882), (24, 3245735), (30, 2596588), (40, 1947441), (60, 1298294), (120, 649147)]