66581680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2662

約数の個数: 80

約数和(自身を含む): 174765600

約数和(自身を除く): 108183920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2609, 3190, 5104, 5218, 6380, 10436, 12760, 13045, 20872, 25520, 26090, 28699, 41744, 52180, 57398, 75661, 104360, 114796, 143495, 151322, 208720, 229592, 286990, 302644, 378305, 459184, 573980, 605288, 756610, 832271, 1147960, 1210576, 1513220, 1664542, 2295920, 3026440, 3329084, 4161355, 6052880, 6658168, 8322710, 13316336, 16645420, 33290840, 66581680]

約数ペア:

[(1, 66581680), (2, 33290840), (4, 16645420), (5, 13316336), (8, 8322710), (10, 6658168), (11, 6052880), (16, 4161355), (20, 3329084), (22, 3026440), (29, 2295920), (40, 1664542), (44, 1513220), (55, 1210576), (58, 1147960), (80, 832271), (88, 756610), (110, 605288), (116, 573980), (145, 459184), (176, 378305), (220, 302644), (232, 286990), (290, 229592), (319, 208720), (440, 151322), (464, 143495), (580, 114796), (638, 104360), (880, 75661), (1160, 57398), (1276, 52180), (1595, 41744), (2320, 28699), (2552, 26090), (2609, 25520), (3190, 20872), (5104, 13045), (5218, 12760), (6380, 10436)]