66900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278753}}^1$

素因数の和:278769

約数の個数: 40

約数和(自身を含む): 207392976

約数和(自身を除く): 140492256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278753, 557506, 836259, 1115012, 1393765, 1672518, 2230024, 2787530, 3345036, 4181295, 4460048, 5575060, 6690072, 8362590, 11150120, 13380144, 16725180, 22300240, 33450360, 66900720]

約数ペア:

[(1, 66900720), (2, 33450360), (3, 22300240), (4, 16725180), (5, 13380144), (6, 11150120), (8, 8362590), (10, 6690072), (12, 5575060), (15, 4460048), (16, 4181295), (20, 3345036), (24, 2787530), (30, 2230024), (40, 1672518), (48, 1393765), (60, 1115012), (80, 836259), (120, 557506), (240, 278753)]