129382020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37831}}^1$

素因数の和:37865

約数の個数: 72

約数和(自身を含む): 413125440

約数和(自身を除く): 283743420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 37831, 75662, 113493, 151324, 189155, 226986, 340479, 378310, 453972, 567465, 680958, 718789, 756620, 1134930, 1361916, 1437578, 1702395, 2156367, 2269860, 2875156, 3404790, 3593945, 4312734, 6469101, 6809580, 7187890, 8625468, 10781835, 12938202, 14375780, 21563670, 25876404, 32345505, 43127340, 64691010, 129382020]

約数ペア:

[(1, 129382020), (2, 64691010), (3, 43127340), (4, 32345505), (5, 25876404), (6, 21563670), (9, 14375780), (10, 12938202), (12, 10781835), (15, 8625468), (18, 7187890), (19, 6809580), (20, 6469101), (30, 4312734), (36, 3593945), (38, 3404790), (45, 2875156), (57, 2269860), (60, 2156367), (76, 1702395), (90, 1437578), (95, 1361916), (114, 1134930), (171, 756620), (180, 718789), (190, 680958), (228, 567465), (285, 453972), (342, 378310), (380, 340479), (570, 226986), (684, 189155), (855, 151324), (1140, 113493), (1710, 75662), (3420, 37831)]