690865520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 1652676960

約数和(自身を除く): 961811440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 229, 344, 430, 458, 688, 860, 877, 916, 1145, 1720, 1754, 1832, 2290, 3440, 3508, 3664, 4385, 4580, 7016, 8770, 9160, 9847, 14032, 17540, 18320, 19694, 35080, 37711, 39388, 49235, 70160, 75422, 78776, 98470, 150844, 157552, 188555, 196940, 200833, 301688, 377110, 393880, 401666, 603376, 754220, 787760, 803332, 1004165, 1508440, 1606664, 2008330, 3016880, 3213328, 4016660, 8033320, 8635819, 16066640, 17271638, 34543276, 43179095, 69086552, 86358190, 138173104, 172716380, 345432760, 690865520]

約数ペア:

[(1, 690865520), (2, 345432760), (4, 172716380), (5, 138173104), (8, 86358190), (10, 69086552), (16, 43179095), (20, 34543276), (40, 17271638), (43, 16066640), (80, 8635819), (86, 8033320), (172, 4016660), (215, 3213328), (229, 3016880), (344, 2008330), (430, 1606664), (458, 1508440), (688, 1004165), (860, 803332), (877, 787760), (916, 754220), (1145, 603376), (1720, 401666), (1754, 393880), (1832, 377110), (2290, 301688), (3440, 200833), (3508, 196940), (3664, 188555), (4385, 157552), (4580, 150844), (7016, 98470), (8770, 78776), (9160, 75422), (9847, 70160), (14032, 49235), (17540, 39388), (18320, 37711), (19694, 35080)]