27406960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 73656000

約数和(自身を除く): 46249040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 449, 545, 560, 763, 872, 898, 1090, 1526, 1744, 1796, 2180, 2245, 3052, 3143, 3592, 3815, 4360, 4490, 6104, 6286, 7184, 7630, 8720, 8980, 12208, 12572, 15260, 15715, 17960, 25144, 30520, 31430, 35920, 48941, 50288, 61040, 62860, 97882, 125720, 195764, 244705, 251440, 342587, 391528, 489410, 685174, 783056, 978820, 1370348, 1712935, 1957640, 2740696, 3425870, 3915280, 5481392, 6851740, 13703480, 27406960]

約数ペア:

[(1, 27406960), (2, 13703480), (4, 6851740), (5, 5481392), (7, 3915280), (8, 3425870), (10, 2740696), (14, 1957640), (16, 1712935), (20, 1370348), (28, 978820), (35, 783056), (40, 685174), (56, 489410), (70, 391528), (80, 342587), (109, 251440), (112, 244705), (140, 195764), (218, 125720), (280, 97882), (436, 62860), (449, 61040), (545, 50288), (560, 48941), (763, 35920), (872, 31430), (898, 30520), (1090, 25144), (1526, 17960), (1744, 15715), (1796, 15260), (2180, 12572), (2245, 12208), (3052, 8980), (3143, 8720), (3592, 7630), (3815, 7184), (4360, 6286), (4490, 6104)]