1298982880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32869}}^1$

素因数の和:32916

約数の個数: 96

約数和(自身を含む): 3478960800

約数和(自身を除く): 2179977920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 7904, 9880, 19760, 32869, 39520, 65738, 131476, 164345, 262952, 328690, 427297, 525904, 624511, 657380, 854594, 1051808, 1249022, 1314760, 1709188, 2136485, 2498044, 2629520, 3122555, 3418376, 4272970, 4996088, 5259040, 6245110, 6836752, 8118643, 8545940, 9992176, 12490220, 13673504, 16237286, 17091880, 19984352, 24980440, 32474572, 34183760, 40593215, 49960880, 64949144, 68367520, 81186430, 99921760, 129898288, 162372860, 259796576, 324745720, 649491440, 1298982880]

約数ペア:

[(1, 1298982880), (2, 649491440), (4, 324745720), (5, 259796576), (8, 162372860), (10, 129898288), (13, 99921760), (16, 81186430), (19, 68367520), (20, 64949144), (26, 49960880), (32, 40593215), (38, 34183760), (40, 32474572), (52, 24980440), (65, 19984352), (76, 17091880), (80, 16237286), (95, 13673504), (104, 12490220), (130, 9992176), (152, 8545940), (160, 8118643), (190, 6836752), (208, 6245110), (247, 5259040), (260, 4996088), (304, 4272970), (380, 3418376), (416, 3122555), (494, 2629520), (520, 2498044), (608, 2136485), (760, 1709188), (988, 1314760), (1040, 1249022), (1235, 1051808), (1520, 854594), (1976, 657380), (2080, 624511), (2470, 525904), (3040, 427297), (3952, 328690), (4940, 262952), (7904, 164345), (9880, 131476), (19760, 65738), (32869, 39520)]