159804680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{81533}}^1$

素因数の和:81558

約数の個数: 48

約数和(自身を含む): 418269420

約数和(自身を除く): 258464740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 81533, 163066, 326132, 407665, 570731, 652264, 815330, 1141462, 1630660, 2282924, 2853655, 3261320, 3995117, 4565848, 5707310, 7990234, 11414620, 15980468, 19975585, 22829240, 31960936, 39951170, 79902340, 159804680]

約数ペア:

[(1, 159804680), (2, 79902340), (4, 39951170), (5, 31960936), (7, 22829240), (8, 19975585), (10, 15980468), (14, 11414620), (20, 7990234), (28, 5707310), (35, 4565848), (40, 3995117), (49, 3261320), (56, 2853655), (70, 2282924), (98, 1630660), (140, 1141462), (196, 815330), (245, 652264), (280, 570731), (392, 407665), (490, 326132), (980, 163066), (1960, 81533)]