17789220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 56918400

約数和(自身を除く): 39129180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 139, 158, 162, 180, 237, 270, 278, 316, 324, 395, 405, 417, 474, 540, 556, 695, 711, 790, 810, 834, 948, 1185, 1251, 1390, 1422, 1580, 1620, 1668, 2085, 2133, 2370, 2502, 2780, 2844, 3555, 3753, 4170, 4266, 4740, 5004, 6255, 6399, 7110, 7506, 8340, 8532, 10665, 10981, 11259, 12510, 12798, 14220, 15012, 18765, 21330, 21962, 22518, 25020, 25596, 31995, 32943, 37530, 42660, 43924, 45036, 54905, 56295, 63990, 65886, 75060, 98829, 109810, 112590, 127980, 131772, 164715, 197658, 219620, 225180, 296487, 329430, 395316, 494145, 592974, 658860, 889461, 988290, 1185948, 1482435, 1778922, 1976580, 2964870, 3557844, 4447305, 5929740, 8894610, 17789220]

約数ペア:

[(1, 17789220), (2, 8894610), (3, 5929740), (4, 4447305), (5, 3557844), (6, 2964870), (9, 1976580), (10, 1778922), (12, 1482435), (15, 1185948), (18, 988290), (20, 889461), (27, 658860), (30, 592974), (36, 494145), (45, 395316), (54, 329430), (60, 296487), (79, 225180), (81, 219620), (90, 197658), (108, 164715), (135, 131772), (139, 127980), (158, 112590), (162, 109810), (180, 98829), (237, 75060), (270, 65886), (278, 63990), (316, 56295), (324, 54905), (395, 45036), (405, 43924), (417, 42660), (474, 37530), (540, 32943), (556, 31995), (695, 25596), (711, 25020), (790, 22518), (810, 21962), (834, 21330), (948, 18765), (1185, 15012), (1251, 14220), (1390, 12798), (1422, 12510), (1580, 11259), (1620, 10981), (1668, 10665), (2085, 8532), (2133, 8340), (2370, 7506), (2502, 7110), (2780, 6399), (2844, 6255), (3555, 5004), (3753, 4740), (4170, 4266)]