158428760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{80831}}^1$

素因数の和:80856

約数の個数: 48

約数和(自身を含む): 414668160

約数和(自身を除く): 256239400

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, 80831, 161662, 323324, 404155, 565817, 646648, 808310, 1131634, 1616620, 2263268, 2829085, 3233240, 3960719, 4526536, 5658170, 7921438, 11316340, 15842876, 19803595, 22632680, 31685752, 39607190, 79214380, 158428760]

約数ペア:

[(1, 158428760), (2, 79214380), (4, 39607190), (5, 31685752), (7, 22632680), (8, 19803595), (10, 15842876), (14, 11316340), (20, 7921438), (28, 5658170), (35, 4526536), (40, 3960719), (49, 3233240), (56, 2829085), (70, 2263268), (98, 1616620), (140, 1131634), (196, 808310), (245, 646648), (280, 565817), (392, 404155), (490, 323324), (980, 161662), (1960, 80831)]