85209660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 269549280

約数和(自身を除く): 184339620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 101, 109, 129, 172, 180, 202, 215, 218, 258, 303, 327, 387, 404, 430, 436, 505, 516, 545, 606, 645, 654, 774, 860, 909, 981, 1010, 1090, 1212, 1290, 1308, 1515, 1548, 1635, 1818, 1935, 1962, 2020, 2180, 2580, 3030, 3270, 3636, 3870, 3924, 4343, 4545, 4687, 4905, 6060, 6540, 7740, 8686, 9090, 9374, 9810, 11009, 13029, 14061, 17372, 18180, 18748, 19620, 21715, 22018, 23435, 26058, 28122, 33027, 39087, 42183, 43430, 44036, 46870, 52116, 55045, 56244, 65145, 66054, 70305, 78174, 84366, 86860, 93740, 99081, 110090, 130290, 132108, 140610, 156348, 165135, 168732, 195435, 198162, 210915, 220180, 260580, 281220, 330270, 390870, 396324, 421830, 473387, 495405, 660540, 781740, 843660, 946774, 990810, 1420161, 1893548, 1981620, 2366935, 2840322, 4260483, 4733870, 5680644, 7100805, 8520966, 9467740, 14201610, 17041932, 21302415, 28403220, 42604830, 85209660]

約数ペア:

[(1, 85209660), (2, 42604830), (3, 28403220), (4, 21302415), (5, 17041932), (6, 14201610), (9, 9467740), (10, 8520966), (12, 7100805), (15, 5680644), (18, 4733870), (20, 4260483), (30, 2840322), (36, 2366935), (43, 1981620), (45, 1893548), (60, 1420161), (86, 990810), (90, 946774), (101, 843660), (109, 781740), (129, 660540), (172, 495405), (180, 473387), (202, 421830), (215, 396324), (218, 390870), (258, 330270), (303, 281220), (327, 260580), (387, 220180), (404, 210915), (430, 198162), (436, 195435), (505, 168732), (516, 165135), (545, 156348), (606, 140610), (645, 132108), (654, 130290), (774, 110090), (860, 99081), (909, 93740), (981, 86860), (1010, 84366), (1090, 78174), (1212, 70305), (1290, 66054), (1308, 65145), (1515, 56244), (1548, 55045), (1635, 52116), (1818, 46870), (1935, 44036), (1962, 43430), (2020, 42183), (2180, 39087), (2580, 33027), (3030, 28122), (3270, 26058), (3636, 23435), (3870, 22018), (3924, 21715), (4343, 19620), (4545, 18748), (4687, 18180), (4905, 17372), (6060, 14061), (6540, 13029), (7740, 11009), (8686, 9810), (9090, 9374)]