681419520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19717}}^1$

素因数の和:19747

約数の個数: 144

約数和(自身を含む): 2418215520

約数和(自身を除く): 1736796000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 19717, 34560, 39434, 59151, 78868, 98585, 118302, 157736, 177453, 197170, 236604, 295755, 315472, 354906, 394340, 473208, 532359, 591510, 630944, 709812, 788680, 887265, 946416, 1064718, 1183020, 1261888, 1419624, 1577360, 1774530, 1892832, 2129436, 2366040, 2523776, 2661795, 2839248, 3154720, 3549060, 3785664, 4258872, 4732080, 5047552, 5323590, 5678496, 6309440, 7098120, 7571328, 8517744, 9464160, 10647180, 11356992, 12618880, 14196240, 15142656, 17035488, 18928320, 21294360, 22713984, 25237760, 28392480, 34070976, 37856640, 42588720, 45427968, 56784960, 68141952, 75713280, 85177440, 113569920, 136283904, 170354880, 227139840, 340709760, 681419520]

約数ペア:

[(1, 681419520), (2, 340709760), (3, 227139840), (4, 170354880), (5, 136283904), (6, 113569920), (8, 85177440), (9, 75713280), (10, 68141952), (12, 56784960), (15, 45427968), (16, 42588720), (18, 37856640), (20, 34070976), (24, 28392480), (27, 25237760), (30, 22713984), (32, 21294360), (36, 18928320), (40, 17035488), (45, 15142656), (48, 14196240), (54, 12618880), (60, 11356992), (64, 10647180), (72, 9464160), (80, 8517744), (90, 7571328), (96, 7098120), (108, 6309440), (120, 5678496), (128, 5323590), (135, 5047552), (144, 4732080), (160, 4258872), (180, 3785664), (192, 3549060), (216, 3154720), (240, 2839248), (256, 2661795), (270, 2523776), (288, 2366040), (320, 2129436), (360, 1892832), (384, 1774530), (432, 1577360), (480, 1419624), (540, 1261888), (576, 1183020), (640, 1064718), (720, 946416), (768, 887265), (864, 788680), (960, 709812), (1080, 630944), (1152, 591510), (1280, 532359), (1440, 473208), (1728, 394340), (1920, 354906), (2160, 315472), (2304, 295755), (2880, 236604), (3456, 197170), (3840, 177453), (4320, 157736), (5760, 118302), (6912, 98585), (8640, 78868), (11520, 59151), (17280, 39434), (19717, 34560)]