57123440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 146240640

約数和(自身を除く): 89117200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 467, 556, 695, 880, 934, 1112, 1390, 1529, 1868, 2224, 2335, 2780, 3058, 3736, 4670, 5137, 5560, 6116, 7472, 7645, 9340, 10274, 11120, 12232, 15290, 18680, 20548, 24464, 25685, 30580, 37360, 41096, 51370, 61160, 64913, 82192, 102740, 122320, 129826, 205480, 259652, 324565, 410960, 519304, 649130, 714043, 1038608, 1298260, 1428086, 2596520, 2856172, 3570215, 5193040, 5712344, 7140430, 11424688, 14280860, 28561720, 57123440]

約数ペア:

[(1, 57123440), (2, 28561720), (4, 14280860), (5, 11424688), (8, 7140430), (10, 5712344), (11, 5193040), (16, 3570215), (20, 2856172), (22, 2596520), (40, 1428086), (44, 1298260), (55, 1038608), (80, 714043), (88, 649130), (110, 519304), (139, 410960), (176, 324565), (220, 259652), (278, 205480), (440, 129826), (467, 122320), (556, 102740), (695, 82192), (880, 64913), (934, 61160), (1112, 51370), (1390, 41096), (1529, 37360), (1868, 30580), (2224, 25685), (2335, 24464), (2780, 20548), (3058, 18680), (3736, 15290), (4670, 12232), (5137, 11120), (5560, 10274), (6116, 9340), (7472, 7645)]