61077520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{15581}}^1$

素因数の和:15608

約数の個数: 60

約数和(自身を含む): 165200364

約数和(自身を除く): 104122844

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 15581, 31162, 62324, 77905, 109067, 124648, 155810, 218134, 249296, 311620, 436268, 545335, 623240, 763469, 872536, 1090670, 1246480, 1526938, 1745072, 2181340, 3053876, 3817345, 4362680, 6107752, 7634690, 8725360, 12215504, 15269380, 30538760, 61077520]

約数ペア:

[(1, 61077520), (2, 30538760), (4, 15269380), (5, 12215504), (7, 8725360), (8, 7634690), (10, 6107752), (14, 4362680), (16, 3817345), (20, 3053876), (28, 2181340), (35, 1745072), (40, 1526938), (49, 1246480), (56, 1090670), (70, 872536), (80, 763469), (98, 623240), (112, 545335), (140, 436268), (196, 311620), (245, 249296), (280, 218134), (392, 155810), (490, 124648), (560, 109067), (784, 77905), (980, 62324), (1960, 31162), (3920, 15581)]