7801920

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 280

約数和(自身を含む): 32455104

約数和(自身を除く): 24653184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 86, 90, 96, 105, 108, 112, 120, 126, 129, 135, 140, 144, 160, 162, 168, 172, 180, 189, 192, 210, 215, 216, 224, 240, 252, 258, 270, 280, 288, 301, 315, 320, 324, 336, 344, 360, 378, 387, 405, 420, 430, 432, 448, 480, 504, 516, 540, 560, 567, 576, 602, 630, 645, 648, 672, 688, 720, 756, 774, 810, 840, 860, 864, 903, 945, 960, 1008, 1032, 1080, 1120, 1134, 1161, 1204, 1260, 1290, 1296, 1344, 1376, 1440, 1505, 1512, 1548, 1620, 1680, 1720, 1728, 1806, 1890, 1935, 2016, 2064, 2160, 2240, 2268, 2322, 2408, 2520, 2580, 2592, 2709, 2752, 2835, 2880, 3010, 3024, 3096, 3240, 3360, 3440, 3483, 3612, 3780, 3870, 4032, 4128, 4320, 4515, 4536, 4644, 4816, 5040, 5160, 5184, 5418, 5670, 5805, 6020, 6048, 6192, 6480, 6720, 6880, 6966, 7224, 7560, 7740, 8127, 8256, 8640, 9030, 9072, 9288, 9632, 10080, 10320, 10836, 11340, 11610, 12040, 12096, 12384, 12960, 13545, 13760, 13932, 14448, 15120, 15480, 16254, 17415, 18060, 18144, 18576, 19264, 20160, 20640, 21672, 22680, 23220, 24080, 24381, 24768, 25920, 27090, 27864, 28896, 30240, 30960, 32508, 34830, 36120, 36288, 37152, 40635, 41280, 43344, 45360, 46440, 48160, 48762, 54180, 55728, 57792, 60480, 61920, 65016, 69660, 72240, 74304, 81270, 86688, 90720, 92880, 96320, 97524, 108360, 111456, 121905, 123840, 130032, 139320, 144480, 162540, 173376, 181440, 185760, 195048, 216720, 222912, 243810, 260064, 278640, 288960, 325080, 371520, 390096, 433440, 487620, 520128, 557280, 650160, 780192, 866880, 975240, 1114560, 1300320, 1560384, 1950480, 2600640, 3900960, 7801920]

約数ペア:

[(1, 7801920), (2, 3900960), (3, 2600640), (4, 1950480), (5, 1560384), (6, 1300320), (7, 1114560), (8, 975240), (9, 866880), (10, 780192), (12, 650160), (14, 557280), (15, 520128), (16, 487620), (18, 433440), (20, 390096), (21, 371520), (24, 325080), (27, 288960), (28, 278640), (30, 260064), (32, 243810), (35, 222912), (36, 216720), (40, 195048), (42, 185760), (43, 181440), (45, 173376), (48, 162540), (54, 144480), (56, 139320), (60, 130032), (63, 123840), (64, 121905), (70, 111456), (72, 108360), (80, 97524), (81, 96320), (84, 92880), (86, 90720), (90, 86688), (96, 81270), (105, 74304), (108, 72240), (112, 69660), (120, 65016), (126, 61920), (129, 60480), (135, 57792), (140, 55728), (144, 54180), (160, 48762), (162, 48160), (168, 46440), (172, 45360), (180, 43344), (189, 41280), (192, 40635), (210, 37152), (215, 36288), (216, 36120), (224, 34830), (240, 32508), (252, 30960), (258, 30240), (270, 28896), (280, 27864), (288, 27090), (301, 25920), (315, 24768), (320, 24381), (324, 24080), (336, 23220), (344, 22680), (360, 21672), (378, 20640), (387, 20160), (405, 19264), (420, 18576), (430, 18144), (432, 18060), (448, 17415), (480, 16254), (504, 15480), (516, 15120), (540, 14448), (560, 13932), (567, 13760), (576, 13545), (602, 12960), (630, 12384), (645, 12096), (648, 12040), (672, 11610), (688, 11340), (720, 10836), (756, 10320), (774, 10080), (810, 9632), (840, 9288), (860, 9072), (864, 9030), (903, 8640), (945, 8256), (960, 8127), (1008, 7740), (1032, 7560), (1080, 7224), (1120, 6966), (1134, 6880), (1161, 6720), (1204, 6480), (1260, 6192), (1290, 6048), (1296, 6020), (1344, 5805), (1376, 5670), (1440, 5418), (1505, 5184), (1512, 5160), (1548, 5040), (1620, 4816), (1680, 4644), (1720, 4536), (1728, 4515), (1806, 4320), (1890, 4128), (1935, 4032), (2016, 3870), (2064, 3780), (2160, 3612), (2240, 3483), (2268, 3440), (2322, 3360), (2408, 3240), (2520, 3096), (2580, 3024), (2592, 3010), (2709, 2880), (2752, 2835)]