781237680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3255157}}^1$

素因数の和:3255173

約数の個数: 40

約数和(自身を含む): 2421837552

約数和(自身を除く): 1640599872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3255157, 6510314, 9765471, 13020628, 16275785, 19530942, 26041256, 32551570, 39061884, 48827355, 52082512, 65103140, 78123768, 97654710, 130206280, 156247536, 195309420, 260412560, 390618840, 781237680]

約数ペア:

[(1, 781237680), (2, 390618840), (3, 260412560), (4, 195309420), (5, 156247536), (6, 130206280), (8, 97654710), (10, 78123768), (12, 65103140), (15, 52082512), (16, 48827355), (20, 39061884), (24, 32551570), (30, 26041256), (40, 19530942), (48, 16275785), (60, 13020628), (80, 9765471), (120, 6510314), (240, 3255157)]