1387665440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 3955101696

約数和(自身を除く): 2567436256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 103, 112, 115, 140, 160, 161, 184, 206, 224, 230, 280, 322, 368, 412, 460, 515, 523, 560, 644, 721, 736, 805, 824, 920, 1030, 1046, 1120, 1288, 1442, 1610, 1648, 1840, 2060, 2092, 2369, 2576, 2615, 2884, 3220, 3296, 3605, 3661, 3680, 4120, 4184, 4738, 5152, 5230, 5768, 6440, 7210, 7322, 8240, 8368, 9476, 10460, 11536, 11845, 12029, 12880, 14420, 14644, 16480, 16583, 16736, 18305, 18952, 20920, 23072, 23690, 24058, 25760, 28840, 29288, 33166, 36610, 37904, 41840, 47380, 48116, 53869, 57680, 58576, 60145, 66332, 73220, 75808, 82915, 83680, 84203, 94760, 96232, 107738, 115360, 117152, 120290, 132664, 146440, 165830, 168406, 189520, 192464, 215476, 240580, 265328, 269345, 292880, 331660, 336812, 377083, 379040, 384928, 421015, 430952, 481160, 530656, 538690, 585760, 663320, 673624, 754166, 842030, 861904, 962320, 1077380, 1238987, 1326640, 1347248, 1508332, 1684060, 1723808, 1885415, 1924640, 2154760, 2477974, 2653280, 2694496, 3016664, 3368120, 3770830, 4309520, 4955948, 6033328, 6194935, 6736240, 7541660, 8619040, 8672909, 9911896, 12066656, 12389870, 13472480, 15083320, 17345818, 19823792, 24779740, 30166640, 34691636, 39647584, 43364545, 49559480, 60333280, 69383272, 86729090, 99118960, 138766544, 173458180, 198237920, 277533088, 346916360, 693832720, 1387665440]

約数ペア:

[(1, 1387665440), (2, 693832720), (4, 346916360), (5, 277533088), (7, 198237920), (8, 173458180), (10, 138766544), (14, 99118960), (16, 86729090), (20, 69383272), (23, 60333280), (28, 49559480), (32, 43364545), (35, 39647584), (40, 34691636), (46, 30166640), (56, 24779740), (70, 19823792), (80, 17345818), (92, 15083320), (103, 13472480), (112, 12389870), (115, 12066656), (140, 9911896), (160, 8672909), (161, 8619040), (184, 7541660), (206, 6736240), (224, 6194935), (230, 6033328), (280, 4955948), (322, 4309520), (368, 3770830), (412, 3368120), (460, 3016664), (515, 2694496), (523, 2653280), (560, 2477974), (644, 2154760), (721, 1924640), (736, 1885415), (805, 1723808), (824, 1684060), (920, 1508332), (1030, 1347248), (1046, 1326640), (1120, 1238987), (1288, 1077380), (1442, 962320), (1610, 861904), (1648, 842030), (1840, 754166), (2060, 673624), (2092, 663320), (2369, 585760), (2576, 538690), (2615, 530656), (2884, 481160), (3220, 430952), (3296, 421015), (3605, 384928), (3661, 379040), (3680, 377083), (4120, 336812), (4184, 331660), (4738, 292880), (5152, 269345), (5230, 265328), (5768, 240580), (6440, 215476), (7210, 192464), (7322, 189520), (8240, 168406), (8368, 165830), (9476, 146440), (10460, 132664), (11536, 120290), (11845, 117152), (12029, 115360), (12880, 107738), (14420, 96232), (14644, 94760), (16480, 84203), (16583, 83680), (16736, 82915), (18305, 75808), (18952, 73220), (20920, 66332), (23072, 60145), (23690, 58576), (24058, 57680), (25760, 53869), (28840, 48116), (29288, 47380), (33166, 41840), (36610, 37904)]