139640960

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5897}}^1$

素因数の和:5953

約数の個数: 64

約数和(自身を含む): 342909720

約数和(自身を除く): 203268760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5897, 5920, 11794, 11840, 23588, 23680, 29485, 47176, 58970, 94352, 117940, 188704, 218189, 235880, 377408, 436378, 471760, 754816, 872756, 943520, 1090945, 1745512, 1887040, 2181890, 3491024, 3774080, 4363780, 6982048, 8727560, 13964096, 17455120, 27928192, 34910240, 69820480, 139640960]

約数ペア:

[(1, 139640960), (2, 69820480), (4, 34910240), (5, 27928192), (8, 17455120), (10, 13964096), (16, 8727560), (20, 6982048), (32, 4363780), (37, 3774080), (40, 3491024), (64, 2181890), (74, 1887040), (80, 1745512), (128, 1090945), (148, 943520), (160, 872756), (185, 754816), (296, 471760), (320, 436378), (370, 377408), (592, 235880), (640, 218189), (740, 188704), (1184, 117940), (1480, 94352), (2368, 58970), (2960, 47176), (4736, 29485), (5897, 23680), (5920, 23588), (11794, 11840)]