64879980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 199584000

約数和(自身を除く): 134704020

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 197, 220, 330, 394, 499, 591, 660, 788, 985, 998, 1182, 1497, 1970, 1996, 2167, 2364, 2495, 2955, 2994, 3940, 4334, 4990, 5489, 5910, 5988, 6501, 7485, 8668, 9980, 10835, 10978, 11820, 13002, 14970, 16467, 21670, 21956, 26004, 27445, 29940, 32505, 32934, 43340, 54890, 65010, 65868, 82335, 98303, 109780, 130020, 164670, 196606, 294909, 329340, 393212, 491515, 589818, 983030, 1081333, 1179636, 1474545, 1966060, 2162666, 2949090, 3243999, 4325332, 5406665, 5898180, 6487998, 10813330, 12975996, 16219995, 21626660, 32439990, 64879980]

約数ペア:

[(1, 64879980), (2, 32439990), (3, 21626660), (4, 16219995), (5, 12975996), (6, 10813330), (10, 6487998), (11, 5898180), (12, 5406665), (15, 4325332), (20, 3243999), (22, 2949090), (30, 2162666), (33, 1966060), (44, 1474545), (55, 1179636), (60, 1081333), (66, 983030), (110, 589818), (132, 491515), (165, 393212), (197, 329340), (220, 294909), (330, 196606), (394, 164670), (499, 130020), (591, 109780), (660, 98303), (788, 82335), (985, 65868), (998, 65010), (1182, 54890), (1497, 43340), (1970, 32934), (1996, 32505), (2167, 29940), (2364, 27445), (2495, 26004), (2955, 21956), (2994, 21670), (3940, 16467), (4334, 14970), (4990, 13002), (5489, 11820), (5910, 10978), (5988, 10835), (6501, 9980), (7485, 8668)]