2128149080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{7129}}^1$

素因数の和:7596

約数の個数: 64

約数和(自身を含む): 5082264000

約数和(自身を除く): 2954114920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 439, 680, 878, 1756, 2195, 3512, 4390, 7129, 7463, 8780, 14258, 14926, 17560, 28516, 29852, 35645, 37315, 57032, 59704, 71290, 74630, 121193, 142580, 149260, 242386, 285160, 298520, 484772, 605965, 969544, 1211930, 2423860, 3129631, 4847720, 6259262, 12518524, 15648155, 25037048, 31296310, 53203727, 62592620, 106407454, 125185240, 212814908, 266018635, 425629816, 532037270, 1064074540, 2128149080]

約数ペア:

[(1, 2128149080), (2, 1064074540), (4, 532037270), (5, 425629816), (8, 266018635), (10, 212814908), (17, 125185240), (20, 106407454), (34, 62592620), (40, 53203727), (68, 31296310), (85, 25037048), (136, 15648155), (170, 12518524), (340, 6259262), (439, 4847720), (680, 3129631), (878, 2423860), (1756, 1211930), (2195, 969544), (3512, 605965), (4390, 484772), (7129, 298520), (7463, 285160), (8780, 242386), (14258, 149260), (14926, 142580), (17560, 121193), (28516, 74630), (29852, 71290), (35645, 59704), (37315, 57032)]