31008320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 85831680

約数和(自身を除く): 54823360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 127, 140, 160, 218, 224, 254, 280, 320, 436, 448, 508, 545, 560, 635, 763, 872, 889, 1016, 1090, 1120, 1270, 1526, 1744, 1778, 2032, 2180, 2240, 2540, 3052, 3488, 3556, 3815, 4064, 4360, 4445, 5080, 6104, 6976, 7112, 7630, 8128, 8720, 8890, 10160, 12208, 13843, 14224, 15260, 17440, 17780, 20320, 24416, 27686, 28448, 30520, 34880, 35560, 40640, 48832, 55372, 56896, 61040, 69215, 71120, 96901, 110744, 122080, 138430, 142240, 193802, 221488, 244160, 276860, 284480, 387604, 442976, 484505, 553720, 775208, 885952, 969010, 1107440, 1550416, 1938020, 2214880, 3100832, 3876040, 4429760, 6201664, 7752080, 15504160, 31008320]

約数ペア:

[(1, 31008320), (2, 15504160), (4, 7752080), (5, 6201664), (7, 4429760), (8, 3876040), (10, 3100832), (14, 2214880), (16, 1938020), (20, 1550416), (28, 1107440), (32, 969010), (35, 885952), (40, 775208), (56, 553720), (64, 484505), (70, 442976), (80, 387604), (109, 284480), (112, 276860), (127, 244160), (140, 221488), (160, 193802), (218, 142240), (224, 138430), (254, 122080), (280, 110744), (320, 96901), (436, 71120), (448, 69215), (508, 61040), (545, 56896), (560, 55372), (635, 48832), (763, 40640), (872, 35560), (889, 34880), (1016, 30520), (1090, 28448), (1120, 27686), (1270, 24416), (1526, 20320), (1744, 17780), (1778, 17440), (2032, 15260), (2180, 14224), (2240, 13843), (2540, 12208), (3052, 10160), (3488, 8890), (3556, 8720), (3815, 8128), (4064, 7630), (4360, 7112), (4445, 6976), (5080, 6104)]