68281920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{1129}}^1$

素因数の和:1162

約数の個数: 224

約数和(自身を含む): 275539200

約数和(自身を除く): 207257280

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, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1129, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2258, 2520, 2880, 3024, 3360, 3387, 3780, 4032, 4320, 4516, 5040, 5645, 6048, 6720, 6774, 7560, 7903, 8640, 9032, 10080, 10161, 11290, 12096, 13548, 15120, 15806, 16935, 18064, 20160, 20322, 22580, 23709, 27096, 30240, 30483, 31612, 33870, 36128, 39515, 40644, 45160, 47418, 50805, 54192, 60480, 60966, 63224, 67740, 71127, 72256, 79030, 81288, 90320, 94836, 101610, 108384, 118545, 121932, 126448, 135480, 142254, 152415, 158060, 162576, 180640, 189672, 203220, 213381, 216768, 237090, 243864, 252896, 270960, 284508, 304830, 316120, 325152, 355635, 361280, 379344, 406440, 426762, 474180, 487728, 505792, 541920, 569016, 609660, 632240, 650304, 711270, 758688, 812880, 853524, 948360, 975456, 1066905, 1083840, 1138032, 1219320, 1264480, 1422540, 1517376, 1625760, 1707048, 1896720, 1950912, 2133810, 2276064, 2438640, 2528960, 2845080, 3251520, 3414096, 3793440, 4267620, 4552128, 4877280, 5690160, 6828192, 7586880, 8535240, 9754560, 11380320, 13656384, 17070480, 22760640, 34140960, 68281920]

約数ペア:

[(1, 68281920), (2, 34140960), (3, 22760640), (4, 17070480), (5, 13656384), (6, 11380320), (7, 9754560), (8, 8535240), (9, 7586880), (10, 6828192), (12, 5690160), (14, 4877280), (15, 4552128), (16, 4267620), (18, 3793440), (20, 3414096), (21, 3251520), (24, 2845080), (27, 2528960), (28, 2438640), (30, 2276064), (32, 2133810), (35, 1950912), (36, 1896720), (40, 1707048), (42, 1625760), (45, 1517376), (48, 1422540), (54, 1264480), (56, 1219320), (60, 1138032), (63, 1083840), (64, 1066905), (70, 975456), (72, 948360), (80, 853524), (84, 812880), (90, 758688), (96, 711270), (105, 650304), (108, 632240), (112, 609660), (120, 569016), (126, 541920), (135, 505792), (140, 487728), (144, 474180), (160, 426762), (168, 406440), (180, 379344), (189, 361280), (192, 355635), (210, 325152), (216, 316120), (224, 304830), (240, 284508), (252, 270960), (270, 252896), (280, 243864), (288, 237090), (315, 216768), (320, 213381), (336, 203220), (360, 189672), (378, 180640), (420, 162576), (432, 158060), (448, 152415), (480, 142254), (504, 135480), (540, 126448), (560, 121932), (576, 118545), (630, 108384), (672, 101610), (720, 94836), (756, 90320), (840, 81288), (864, 79030), (945, 72256), (960, 71127), (1008, 67740), (1080, 63224), (1120, 60966), (1129, 60480), (1260, 54192), (1344, 50805), (1440, 47418), (1512, 45160), (1680, 40644), (1728, 39515), (1890, 36128), (2016, 33870), (2160, 31612), (2240, 30483), (2258, 30240), (2520, 27096), (2880, 23709), (3024, 22580), (3360, 20322), (3387, 20160), (3780, 18064), (4032, 16935), (4320, 15806), (4516, 15120), (5040, 13548), (5645, 12096), (6048, 11290), (6720, 10161), (6774, 10080), (7560, 9032), (7903, 8640)]