8656020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 27649440

約数和(自身を除く): 18993420

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, 2531, 3420, 5062, 7593, 10124, 12655, 15186, 22779, 25310, 30372, 37965, 45558, 48089, 50620, 75930, 91116, 96178, 113895, 144267, 151860, 192356, 227790, 240445, 288534, 432801, 455580, 480890, 577068, 721335, 865602, 961780, 1442670, 1731204, 2164005, 2885340, 4328010, 8656020]

約数ペア:

[(1, 8656020), (2, 4328010), (3, 2885340), (4, 2164005), (5, 1731204), (6, 1442670), (9, 961780), (10, 865602), (12, 721335), (15, 577068), (18, 480890), (19, 455580), (20, 432801), (30, 288534), (36, 240445), (38, 227790), (45, 192356), (57, 151860), (60, 144267), (76, 113895), (90, 96178), (95, 91116), (114, 75930), (171, 50620), (180, 48089), (190, 45558), (228, 37965), (285, 30372), (342, 25310), (380, 22779), (570, 15186), (684, 12655), (855, 10124), (1140, 7593), (1710, 5062), (2531, 3420)]