640684920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{4729}}^1$

素因数の和:5872

約数の個数: 64

約数和(自身を含む): 1924164000

約数和(自身を除く): 1283479080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1129, 2258, 3387, 4516, 4729, 5645, 6774, 9032, 9458, 11290, 13548, 14187, 16935, 18916, 22580, 23645, 27096, 28374, 33870, 37832, 45160, 47290, 56748, 67740, 70935, 94580, 113496, 135480, 141870, 189160, 283740, 567480, 5339041, 10678082, 16017123, 21356164, 26695205, 32034246, 42712328, 53390410, 64068492, 80085615, 106780820, 128136984, 160171230, 213561640, 320342460, 640684920]

約数ペア:

[(1, 640684920), (2, 320342460), (3, 213561640), (4, 160171230), (5, 128136984), (6, 106780820), (8, 80085615), (10, 64068492), (12, 53390410), (15, 42712328), (20, 32034246), (24, 26695205), (30, 21356164), (40, 16017123), (60, 10678082), (120, 5339041), (1129, 567480), (2258, 283740), (3387, 189160), (4516, 141870), (4729, 135480), (5645, 113496), (6774, 94580), (9032, 70935), (9458, 67740), (11290, 56748), (13548, 47290), (14187, 45160), (16935, 37832), (18916, 33870), (22580, 28374), (23645, 27096)]