57320820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 183456000

約数和(自身を除く): 126135180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 139, 145, 158, 174, 180, 237, 261, 278, 290, 316, 348, 395, 417, 435, 474, 522, 556, 580, 695, 711, 790, 834, 870, 948, 1044, 1185, 1251, 1305, 1390, 1422, 1580, 1668, 1740, 2085, 2291, 2370, 2502, 2610, 2780, 2844, 3555, 4031, 4170, 4582, 4740, 5004, 5220, 6255, 6873, 7110, 8062, 8340, 9164, 10981, 11455, 12093, 12510, 13746, 14220, 16124, 20155, 20619, 21962, 22910, 24186, 25020, 27492, 32943, 34365, 36279, 40310, 41238, 43924, 45820, 48372, 54905, 60465, 65886, 68730, 72558, 80620, 82476, 98829, 103095, 109810, 120930, 131772, 137460, 145116, 164715, 181395, 197658, 206190, 219620, 241860, 318449, 329430, 362790, 395316, 412380, 494145, 636898, 658860, 725580, 955347, 988290, 1273796, 1592245, 1910694, 1976580, 2866041, 3184490, 3821388, 4776735, 5732082, 6368980, 9553470, 11464164, 14330205, 19106940, 28660410, 57320820]

約数ペア:

[(1, 57320820), (2, 28660410), (3, 19106940), (4, 14330205), (5, 11464164), (6, 9553470), (9, 6368980), (10, 5732082), (12, 4776735), (15, 3821388), (18, 3184490), (20, 2866041), (29, 1976580), (30, 1910694), (36, 1592245), (45, 1273796), (58, 988290), (60, 955347), (79, 725580), (87, 658860), (90, 636898), (116, 494145), (139, 412380), (145, 395316), (158, 362790), (174, 329430), (180, 318449), (237, 241860), (261, 219620), (278, 206190), (290, 197658), (316, 181395), (348, 164715), (395, 145116), (417, 137460), (435, 131772), (474, 120930), (522, 109810), (556, 103095), (580, 98829), (695, 82476), (711, 80620), (790, 72558), (834, 68730), (870, 65886), (948, 60465), (1044, 54905), (1185, 48372), (1251, 45820), (1305, 43924), (1390, 41238), (1422, 40310), (1580, 36279), (1668, 34365), (1740, 32943), (2085, 27492), (2291, 25020), (2370, 24186), (2502, 22910), (2610, 21962), (2780, 20619), (2844, 20155), (3555, 16124), (4031, 14220), (4170, 13746), (4582, 12510), (4740, 12093), (5004, 11455), (5220, 10981), (6255, 9164), (6873, 8340), (7110, 8062)]