86896980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 274834560

約数和(自身を除く): 187937580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 103, 109, 129, 172, 180, 206, 215, 218, 258, 309, 327, 387, 412, 430, 436, 515, 516, 545, 618, 645, 654, 774, 860, 927, 981, 1030, 1090, 1236, 1290, 1308, 1545, 1548, 1635, 1854, 1935, 1962, 2060, 2180, 2580, 3090, 3270, 3708, 3870, 3924, 4429, 4635, 4687, 4905, 6180, 6540, 7740, 8858, 9270, 9374, 9810, 11227, 13287, 14061, 17716, 18540, 18748, 19620, 22145, 22454, 23435, 26574, 28122, 33681, 39861, 42183, 44290, 44908, 46870, 53148, 56135, 56244, 66435, 67362, 70305, 79722, 84366, 88580, 93740, 101043, 112270, 132870, 134724, 140610, 159444, 168405, 168732, 199305, 202086, 210915, 224540, 265740, 281220, 336810, 398610, 404172, 421830, 482761, 505215, 673620, 797220, 843660, 965522, 1010430, 1448283, 1931044, 2020860, 2413805, 2896566, 4344849, 4827610, 5793132, 7241415, 8689698, 9655220, 14482830, 17379396, 21724245, 28965660, 43448490, 86896980]

約数ペア:

[(1, 86896980), (2, 43448490), (3, 28965660), (4, 21724245), (5, 17379396), (6, 14482830), (9, 9655220), (10, 8689698), (12, 7241415), (15, 5793132), (18, 4827610), (20, 4344849), (30, 2896566), (36, 2413805), (43, 2020860), (45, 1931044), (60, 1448283), (86, 1010430), (90, 965522), (103, 843660), (109, 797220), (129, 673620), (172, 505215), (180, 482761), (206, 421830), (215, 404172), (218, 398610), (258, 336810), (309, 281220), (327, 265740), (387, 224540), (412, 210915), (430, 202086), (436, 199305), (515, 168732), (516, 168405), (545, 159444), (618, 140610), (645, 134724), (654, 132870), (774, 112270), (860, 101043), (927, 93740), (981, 88580), (1030, 84366), (1090, 79722), (1236, 70305), (1290, 67362), (1308, 66435), (1545, 56244), (1548, 56135), (1635, 53148), (1854, 46870), (1935, 44908), (1962, 44290), (2060, 42183), (2180, 39861), (2580, 33681), (3090, 28122), (3270, 26574), (3708, 23435), (3870, 22454), (3924, 22145), (4429, 19620), (4635, 18748), (4687, 18540), (4905, 17716), (6180, 14061), (6540, 13287), (7740, 11227), (8858, 9810), (9270, 9374)]