66868080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278617}}^1$

素因数の和:278633

約数の個数: 40

約数和(自身を含む): 207291792

約数和(自身を除く): 140423712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278617, 557234, 835851, 1114468, 1393085, 1671702, 2228936, 2786170, 3343404, 4179255, 4457872, 5572340, 6686808, 8358510, 11144680, 13373616, 16717020, 22289360, 33434040, 66868080]

約数ペア:

[(1, 66868080), (2, 33434040), (3, 22289360), (4, 16717020), (5, 13373616), (6, 11144680), (8, 8358510), (10, 6686808), (12, 5572340), (15, 4457872), (16, 4179255), (20, 3343404), (24, 2786170), (30, 2228936), (40, 1671702), (48, 1393085), (60, 1114468), (80, 835851), (120, 557234), (240, 278617)]