66688620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65381}}^1$

素因数の和:65410

約数の個数: 48

約数和(自身を含む): 197715168

約数和(自身を除く): 131026548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 65381, 130762, 196143, 261524, 326905, 392286, 653810, 784572, 980715, 1111477, 1307620, 1961430, 2222954, 3334431, 3922860, 4445908, 5557385, 6668862, 11114770, 13337724, 16672155, 22229540, 33344310, 66688620]

約数ペア:

[(1, 66688620), (2, 33344310), (3, 22229540), (4, 16672155), (5, 13337724), (6, 11114770), (10, 6668862), (12, 5557385), (15, 4445908), (17, 3922860), (20, 3334431), (30, 2222954), (34, 1961430), (51, 1307620), (60, 1111477), (68, 980715), (85, 784572), (102, 653810), (170, 392286), (204, 326905), (255, 261524), (340, 196143), (510, 130762), (1020, 65381)]