402778980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2411

約数の個数: 120

約数和(自身を含む): 1275683640

約数和(自身を除く): 872904660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 324, 327, 405, 436, 540, 545, 654, 810, 981, 1090, 1308, 1620, 1635, 1962, 2180, 2281, 2943, 3270, 3924, 4562, 4905, 5886, 6540, 6843, 8829, 9124, 9810, 11405, 11772, 13686, 14715, 17658, 19620, 20529, 22810, 27372, 29430, 34215, 35316, 41058, 44145, 45620, 58860, 61587, 68430, 82116, 88290, 102645, 123174, 136860, 176580, 184761, 205290, 246348, 248629, 307935, 369522, 410580, 497258, 615870, 739044, 745887, 923805, 994516, 1231740, 1243145, 1491774, 1847610, 2237661, 2486290, 2983548, 3695220, 3729435, 4475322, 4972580, 6712983, 7458870, 8950644, 11188305, 13425966, 14917740, 20138949, 22376610, 26851932, 33564915, 40277898, 44753220, 67129830, 80555796, 100694745, 134259660, 201389490, 402778980]

約数ペア:

[(1, 402778980), (2, 201389490), (3, 134259660), (4, 100694745), (5, 80555796), (6, 67129830), (9, 44753220), (10, 40277898), (12, 33564915), (15, 26851932), (18, 22376610), (20, 20138949), (27, 14917740), (30, 13425966), (36, 11188305), (45, 8950644), (54, 7458870), (60, 6712983), (81, 4972580), (90, 4475322), (108, 3729435), (109, 3695220), (135, 2983548), (162, 2486290), (180, 2237661), (218, 1847610), (270, 1491774), (324, 1243145), (327, 1231740), (405, 994516), (436, 923805), (540, 745887), (545, 739044), (654, 615870), (810, 497258), (981, 410580), (1090, 369522), (1308, 307935), (1620, 248629), (1635, 246348), (1962, 205290), (2180, 184761), (2281, 176580), (2943, 136860), (3270, 123174), (3924, 102645), (4562, 88290), (4905, 82116), (5886, 68430), (6540, 61587), (6843, 58860), (8829, 45620), (9124, 44145), (9810, 41058), (11405, 35316), (11772, 34215), (13686, 29430), (14715, 27372), (17658, 22810), (19620, 20529)]