17979840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2081}}^1$

素因数の和:2107

約数の個数: 112

約数和(自身を含む): 63459360

約数和(自身を除く): 45479520

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, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2081, 2160, 2880, 4162, 4320, 6243, 8324, 8640, 10405, 12486, 16648, 18729, 20810, 24972, 31215, 33296, 37458, 41620, 49944, 56187, 62430, 66592, 74916, 83240, 93645, 99888, 112374, 124860, 133184, 149832, 166480, 187290, 199776, 224748, 249720, 280935, 299664, 332960, 374580, 399552, 449496, 499440, 561870, 599328, 665920, 749160, 898992, 998880, 1123740, 1198656, 1498320, 1797984, 1997760, 2247480, 2996640, 3595968, 4494960, 5993280, 8989920, 17979840]

約数ペア:

[(1, 17979840), (2, 8989920), (3, 5993280), (4, 4494960), (5, 3595968), (6, 2996640), (8, 2247480), (9, 1997760), (10, 1797984), (12, 1498320), (15, 1198656), (16, 1123740), (18, 998880), (20, 898992), (24, 749160), (27, 665920), (30, 599328), (32, 561870), (36, 499440), (40, 449496), (45, 399552), (48, 374580), (54, 332960), (60, 299664), (64, 280935), (72, 249720), (80, 224748), (90, 199776), (96, 187290), (108, 166480), (120, 149832), (135, 133184), (144, 124860), (160, 112374), (180, 99888), (192, 93645), (216, 83240), (240, 74916), (270, 66592), (288, 62430), (320, 56187), (360, 49944), (432, 41620), (480, 37458), (540, 33296), (576, 31215), (720, 24972), (864, 20810), (960, 18729), (1080, 16648), (1440, 12486), (1728, 10405), (2081, 8640), (2160, 8324), (2880, 6243), (4162, 4320)]