31583440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1151}}^1$

素因数の和:1185

約数の個数: 80

約数和(自身を含む): 85708800

約数和(自身を除く): 54125360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1151, 1372, 1715, 1960, 2302, 2744, 3430, 3920, 4604, 5488, 5755, 6860, 8057, 9208, 11510, 13720, 16114, 18416, 23020, 27440, 32228, 40285, 46040, 56399, 64456, 80570, 92080, 112798, 128912, 161140, 225596, 281995, 322280, 394793, 451192, 563990, 644560, 789586, 902384, 1127980, 1579172, 1973965, 2255960, 3158344, 3947930, 4511920, 6316688, 7895860, 15791720, 31583440]

約数ペア:

[(1, 31583440), (2, 15791720), (4, 7895860), (5, 6316688), (7, 4511920), (8, 3947930), (10, 3158344), (14, 2255960), (16, 1973965), (20, 1579172), (28, 1127980), (35, 902384), (40, 789586), (49, 644560), (56, 563990), (70, 451192), (80, 394793), (98, 322280), (112, 281995), (140, 225596), (196, 161140), (245, 128912), (280, 112798), (343, 92080), (392, 80570), (490, 64456), (560, 56399), (686, 46040), (784, 40285), (980, 32228), (1151, 27440), (1372, 23020), (1715, 18416), (1960, 16114), (2302, 13720), (2744, 11510), (3430, 9208), (3920, 8057), (4604, 6860), (5488, 5755)]