275231120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 658082880

約数和(自身を除く): 382851760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 139, 212, 265, 278, 424, 467, 530, 556, 695, 848, 934, 1060, 1112, 1390, 1868, 2120, 2224, 2335, 2780, 3736, 4240, 4670, 5560, 7367, 7472, 9340, 11120, 14734, 18680, 24751, 29468, 36835, 37360, 49502, 58936, 64913, 73670, 99004, 117872, 123755, 129826, 147340, 198008, 247510, 259652, 294680, 324565, 396016, 495020, 519304, 589360, 649130, 990040, 1038608, 1298260, 1980080, 2596520, 3440389, 5193040, 6880778, 13761556, 17201945, 27523112, 34403890, 55046224, 68807780, 137615560, 275231120]

約数ペア:

[(1, 275231120), (2, 137615560), (4, 68807780), (5, 55046224), (8, 34403890), (10, 27523112), (16, 17201945), (20, 13761556), (40, 6880778), (53, 5193040), (80, 3440389), (106, 2596520), (139, 1980080), (212, 1298260), (265, 1038608), (278, 990040), (424, 649130), (467, 589360), (530, 519304), (556, 495020), (695, 396016), (848, 324565), (934, 294680), (1060, 259652), (1112, 247510), (1390, 198008), (1868, 147340), (2120, 129826), (2224, 123755), (2335, 117872), (2780, 99004), (3736, 73670), (4240, 64913), (4670, 58936), (5560, 49502), (7367, 37360), (7472, 36835), (9340, 29468), (11120, 24751), (14734, 18680)]