780266640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3251111}}^1$

素因数の和:3251127

約数の個数: 40

約数和(自身を含む): 2418827328

約数和(自身を除く): 1638560688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3251111, 6502222, 9753333, 13004444, 16255555, 19506666, 26008888, 32511110, 39013332, 48766665, 52017776, 65022220, 78026664, 97533330, 130044440, 156053328, 195066660, 260088880, 390133320, 780266640]

約数ペア:

[(1, 780266640), (2, 390133320), (3, 260088880), (4, 195066660), (5, 156053328), (6, 130044440), (8, 97533330), (10, 78026664), (12, 65022220), (15, 52017776), (16, 48766665), (20, 39013332), (24, 32511110), (30, 26008888), (40, 19506666), (48, 16255555), (60, 13004444), (80, 9753333), (120, 6502222), (240, 3251111)]