28142640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 200

約数和(自身を含む): 101006928

約数和(自身を除く): 72864288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 81, 86, 90, 101, 108, 120, 129, 135, 144, 162, 172, 180, 202, 215, 216, 240, 258, 270, 303, 324, 344, 360, 387, 404, 405, 430, 432, 505, 516, 540, 606, 645, 648, 688, 720, 774, 808, 810, 860, 909, 1010, 1032, 1080, 1161, 1212, 1290, 1296, 1515, 1548, 1616, 1620, 1720, 1818, 1935, 2020, 2064, 2160, 2322, 2424, 2580, 2727, 3030, 3096, 3240, 3440, 3483, 3636, 3870, 4040, 4343, 4545, 4644, 4848, 5160, 5454, 5805, 6060, 6192, 6480, 6966, 7272, 7740, 8080, 8181, 8686, 9090, 9288, 10320, 10908, 11610, 12120, 13029, 13635, 13932, 14544, 15480, 16362, 17372, 17415, 18180, 18576, 21715, 21816, 23220, 24240, 26058, 27270, 27864, 30960, 32724, 34744, 34830, 36360, 39087, 40905, 43430, 43632, 46440, 52116, 54540, 55728, 65145, 65448, 69488, 69660, 72720, 78174, 81810, 86860, 92880, 104232, 109080, 117261, 130290, 130896, 139320, 156348, 163620, 173720, 195435, 208464, 218160, 234522, 260580, 278640, 312696, 327240, 347440, 351783, 390870, 469044, 521160, 586305, 625392, 654480, 703566, 781740, 938088, 1042320, 1172610, 1407132, 1563480, 1758915, 1876176, 2345220, 2814264, 3126960, 3517830, 4690440, 5628528, 7035660, 9380880, 14071320, 28142640]

約数ペア:

[(1, 28142640), (2, 14071320), (3, 9380880), (4, 7035660), (5, 5628528), (6, 4690440), (8, 3517830), (9, 3126960), (10, 2814264), (12, 2345220), (15, 1876176), (16, 1758915), (18, 1563480), (20, 1407132), (24, 1172610), (27, 1042320), (30, 938088), (36, 781740), (40, 703566), (43, 654480), (45, 625392), (48, 586305), (54, 521160), (60, 469044), (72, 390870), (80, 351783), (81, 347440), (86, 327240), (90, 312696), (101, 278640), (108, 260580), (120, 234522), (129, 218160), (135, 208464), (144, 195435), (162, 173720), (172, 163620), (180, 156348), (202, 139320), (215, 130896), (216, 130290), (240, 117261), (258, 109080), (270, 104232), (303, 92880), (324, 86860), (344, 81810), (360, 78174), (387, 72720), (404, 69660), (405, 69488), (430, 65448), (432, 65145), (505, 55728), (516, 54540), (540, 52116), (606, 46440), (645, 43632), (648, 43430), (688, 40905), (720, 39087), (774, 36360), (808, 34830), (810, 34744), (860, 32724), (909, 30960), (1010, 27864), (1032, 27270), (1080, 26058), (1161, 24240), (1212, 23220), (1290, 21816), (1296, 21715), (1515, 18576), (1548, 18180), (1616, 17415), (1620, 17372), (1720, 16362), (1818, 15480), (1935, 14544), (2020, 13932), (2064, 13635), (2160, 13029), (2322, 12120), (2424, 11610), (2580, 10908), (2727, 10320), (3030, 9288), (3096, 9090), (3240, 8686), (3440, 8181), (3483, 8080), (3636, 7740), (3870, 7272), (4040, 6966), (4343, 6480), (4545, 6192), (4644, 6060), (4848, 5805), (5160, 5454)]