1538117680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{1993}}^1$

素因数の和:2894

約数の個数: 80

約数和(自身を含む): 3907633824

約数和(自身を除く): 2369516144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 877, 880, 1754, 1993, 3508, 3986, 4385, 7016, 7972, 8770, 9647, 9965, 14032, 15944, 17540, 19294, 19930, 21923, 31888, 35080, 38588, 39860, 43846, 48235, 70160, 77176, 79720, 87692, 96470, 109615, 154352, 159440, 175384, 192940, 219230, 350768, 385880, 438460, 771760, 876920, 1747861, 1753840, 3495722, 6991444, 8739305, 13982888, 17478610, 19226471, 27965776, 34957220, 38452942, 69914440, 76905884, 96132355, 139828880, 153811768, 192264710, 307623536, 384529420, 769058840, 1538117680]

約数ペア:

[(1, 1538117680), (2, 769058840), (4, 384529420), (5, 307623536), (8, 192264710), (10, 153811768), (11, 139828880), (16, 96132355), (20, 76905884), (22, 69914440), (40, 38452942), (44, 34957220), (55, 27965776), (80, 19226471), (88, 17478610), (110, 13982888), (176, 8739305), (220, 6991444), (440, 3495722), (877, 1753840), (880, 1747861), (1754, 876920), (1993, 771760), (3508, 438460), (3986, 385880), (4385, 350768), (7016, 219230), (7972, 192940), (8770, 175384), (9647, 159440), (9965, 154352), (14032, 109615), (15944, 96470), (17540, 87692), (19294, 79720), (19930, 77176), (21923, 70160), (31888, 48235), (35080, 43846), (38588, 39860)]