66571880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 158906880

約数和(自身を除く): 92335000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1451, 1480, 2294, 2902, 4588, 5735, 5804, 7255, 9176, 11470, 11608, 14510, 22940, 29020, 44981, 45880, 53687, 58040, 89962, 107374, 179924, 214748, 224905, 268435, 359848, 429496, 449810, 536870, 899620, 1073740, 1664297, 1799240, 2147480, 3328594, 6657188, 8321485, 13314376, 16642970, 33285940, 66571880]

約数ペア:

[(1, 66571880), (2, 33285940), (4, 16642970), (5, 13314376), (8, 8321485), (10, 6657188), (20, 3328594), (31, 2147480), (37, 1799240), (40, 1664297), (62, 1073740), (74, 899620), (124, 536870), (148, 449810), (155, 429496), (185, 359848), (248, 268435), (296, 224905), (310, 214748), (370, 179924), (620, 107374), (740, 89962), (1147, 58040), (1240, 53687), (1451, 45880), (1480, 44981), (2294, 29020), (2902, 22940), (4588, 14510), (5735, 11608), (5804, 11470), (7255, 9176)]