155933680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{39779}}^1$

素因数の和:39806

約数の個数: 60

約数和(自身を含む): 421747560

約数和(自身を除く): 265813880

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, 39779, 79558, 159116, 198895, 278453, 318232, 397790, 556906, 636464, 795580, 1113812, 1392265, 1591160, 1949171, 2227624, 2784530, 3182320, 3898342, 4455248, 5569060, 7796684, 9745855, 11138120, 15593368, 19491710, 22276240, 31186736, 38983420, 77966840, 155933680]

約数ペア:

[(1, 155933680), (2, 77966840), (4, 38983420), (5, 31186736), (7, 22276240), (8, 19491710), (10, 15593368), (14, 11138120), (16, 9745855), (20, 7796684), (28, 5569060), (35, 4455248), (40, 3898342), (49, 3182320), (56, 2784530), (70, 2227624), (80, 1949171), (98, 1591160), (112, 1392265), (140, 1113812), (196, 795580), (245, 636464), (280, 556906), (392, 397790), (490, 318232), (560, 278453), (784, 198895), (980, 159116), (1960, 79558), (3920, 39779)]