261260555520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{189517}}^1$

素因数の和:189900

約数の個数: 144

約数和(自身を含む): 836729550720

約数和(自身を除く): 575468995200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 359, 384, 480, 640, 718, 768, 960, 1077, 1280, 1436, 1795, 1920, 2154, 2872, 3590, 3840, 4308, 5385, 5744, 7180, 8616, 10770, 11488, 14360, 17232, 21540, 22976, 28720, 34464, 43080, 45952, 57440, 68928, 86160, 91904, 114880, 137856, 172320, 189517, 229760, 275712, 344640, 379034, 459520, 568551, 689280, 758068, 947585, 1137102, 1378560, 1516136, 1895170, 2274204, 2842755, 3032272, 3790340, 4548408, 5685510, 6064544, 7580680, 9096816, 11371020, 12129088, 15161360, 18193632, 22742040, 24258176, 30322720, 36387264, 45484080, 48516352, 60645440, 68036603, 72774528, 90968160, 121290880, 136073206, 145549056, 181936320, 204109809, 242581760, 272146412, 340183015, 363872640, 408219618, 544292824, 680366030, 727745280, 816439236, 1020549045, 1088585648, 1360732060, 1632878472, 2041098090, 2177171296, 2721464120, 3265756944, 4082196180, 4354342592, 5442928240, 6531513888, 8164392360, 8708685184, 10885856480, 13063027776, 16328784720, 17417370368, 21771712960, 26126055552, 32657569440, 43543425920, 52252111104, 65315138880, 87086851840, 130630277760, 261260555520]

約数ペア:

[(1, 261260555520), (2, 130630277760), (3, 87086851840), (4, 65315138880), (5, 52252111104), (6, 43543425920), (8, 32657569440), (10, 26126055552), (12, 21771712960), (15, 17417370368), (16, 16328784720), (20, 13063027776), (24, 10885856480), (30, 8708685184), (32, 8164392360), (40, 6531513888), (48, 5442928240), (60, 4354342592), (64, 4082196180), (80, 3265756944), (96, 2721464120), (120, 2177171296), (128, 2041098090), (160, 1632878472), (192, 1360732060), (240, 1088585648), (256, 1020549045), (320, 816439236), (359, 727745280), (384, 680366030), (480, 544292824), (640, 408219618), (718, 363872640), (768, 340183015), (960, 272146412), (1077, 242581760), (1280, 204109809), (1436, 181936320), (1795, 145549056), (1920, 136073206), (2154, 121290880), (2872, 90968160), (3590, 72774528), (3840, 68036603), (4308, 60645440), (5385, 48516352), (5744, 45484080), (7180, 36387264), (8616, 30322720), (10770, 24258176), (11488, 22742040), (14360, 18193632), (17232, 15161360), (21540, 12129088), (22976, 11371020), (28720, 9096816), (34464, 7580680), (43080, 6064544), (45952, 5685510), (57440, 4548408), (68928, 3790340), (86160, 3032272), (91904, 2842755), (114880, 2274204), (137856, 1895170), (172320, 1516136), (189517, 1378560), (229760, 1137102), (275712, 947585), (344640, 758068), (379034, 689280), (459520, 568551)]