30640720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{34819}}^1$

素因数の和:34843

約数の個数: 40

約数和(自身を含む): 77718240

約数和(自身を除く): 47077520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 34819, 69638, 139276, 174095, 278552, 348190, 383009, 557104, 696380, 766018, 1392760, 1532036, 1915045, 2785520, 3064072, 3830090, 6128144, 7660180, 15320360, 30640720]

約数ペア:

[(1, 30640720), (2, 15320360), (4, 7660180), (5, 6128144), (8, 3830090), (10, 3064072), (11, 2785520), (16, 1915045), (20, 1532036), (22, 1392760), (40, 766018), (44, 696380), (55, 557104), (80, 383009), (88, 348190), (110, 278552), (176, 174095), (220, 139276), (440, 69638), (880, 34819)]