218629920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{455479}}^1$

素因数の和:455497

約数の個数: 48

約数和(自身を含む): 688685760

約数和(自身を除く): 470055840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 455479, 910958, 1366437, 1821916, 2277395, 2732874, 3643832, 4554790, 5465748, 6832185, 7287664, 9109580, 10931496, 13664370, 14575328, 18219160, 21862992, 27328740, 36438320, 43725984, 54657480, 72876640, 109314960, 218629920]

約数ペア:

[(1, 218629920), (2, 109314960), (3, 72876640), (4, 54657480), (5, 43725984), (6, 36438320), (8, 27328740), (10, 21862992), (12, 18219160), (15, 14575328), (16, 13664370), (20, 10931496), (24, 9109580), (30, 7287664), (32, 6832185), (40, 5465748), (48, 4554790), (60, 3643832), (80, 2732874), (96, 2277395), (120, 1821916), (160, 1366437), (240, 910958), (480, 455479)]