1320809320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{17207}}^1$

素因数の和:17338

約数の個数: 64

約数和(自身を含む): 3159388800

約数和(自身を除く): 1838579480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 3838, 4040, 7676, 9595, 15352, 17207, 19190, 34414, 38380, 68828, 76760, 86035, 137656, 172070, 326933, 344140, 653866, 688280, 1307732, 1634665, 1737907, 2615464, 3269330, 3475814, 6538660, 6951628, 8689535, 13077320, 13903256, 17379070, 33020233, 34758140, 66040466, 69516280, 132080932, 165101165, 264161864, 330202330, 660404660, 1320809320]

約数ペア:

[(1, 1320809320), (2, 660404660), (4, 330202330), (5, 264161864), (8, 165101165), (10, 132080932), (19, 69516280), (20, 66040466), (38, 34758140), (40, 33020233), (76, 17379070), (95, 13903256), (101, 13077320), (152, 8689535), (190, 6951628), (202, 6538660), (380, 3475814), (404, 3269330), (505, 2615464), (760, 1737907), (808, 1634665), (1010, 1307732), (1919, 688280), (2020, 653866), (3838, 344140), (4040, 326933), (7676, 172070), (9595, 137656), (15352, 86035), (17207, 76760), (19190, 68828), (34414, 38380)]