68282480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17419}}^1$

素因数の和:17446

約数の個数: 60

約数和(自身を含む): 184686840

約数和(自身を除く): 116404360

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, 17419, 34838, 69676, 87095, 121933, 139352, 174190, 243866, 278704, 348380, 487732, 609665, 696760, 853531, 975464, 1219330, 1393520, 1707062, 1950928, 2438660, 3414124, 4267655, 4877320, 6828248, 8535310, 9754640, 13656496, 17070620, 34141240, 68282480]

約数ペア:

[(1, 68282480), (2, 34141240), (4, 17070620), (5, 13656496), (7, 9754640), (8, 8535310), (10, 6828248), (14, 4877320), (16, 4267655), (20, 3414124), (28, 2438660), (35, 1950928), (40, 1707062), (49, 1393520), (56, 1219330), (70, 975464), (80, 853531), (98, 696760), (112, 609665), (140, 487732), (196, 348380), (245, 278704), (280, 243866), (392, 174190), (490, 139352), (560, 121933), (784, 87095), (980, 69676), (1960, 34838), (3920, 17419)]