80909280

素因数分解:

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

素因数の和:2111

約数の個数: 144

約数和(自身を含む): 286466544

約数和(自身を除く): 205557264

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2081, 2160, 2430, 2592, 3240, 3888, 4162, 4320, 4860, 6243, 6480, 7776, 8324, 9720, 10405, 12486, 12960, 16648, 18729, 19440, 20810, 24972, 31215, 33296, 37458, 38880, 41620, 49944, 56187, 62430, 66592, 74916, 83240, 93645, 99888, 112374, 124860, 149832, 166480, 168561, 187290, 199776, 224748, 249720, 280935, 299664, 332960, 337122, 374580, 449496, 499440, 505683, 561870, 599328, 674244, 749160, 842805, 898992, 998880, 1011366, 1123740, 1348488, 1498320, 1685610, 1797984, 2022732, 2247480, 2528415, 2696976, 2996640, 3371220, 4045464, 4494960, 5056830, 5393952, 6742440, 8090928, 8989920, 10113660, 13484880, 16181856, 20227320, 26969760, 40454640, 80909280]

約数ペア:

[(1, 80909280), (2, 40454640), (3, 26969760), (4, 20227320), (5, 16181856), (6, 13484880), (8, 10113660), (9, 8989920), (10, 8090928), (12, 6742440), (15, 5393952), (16, 5056830), (18, 4494960), (20, 4045464), (24, 3371220), (27, 2996640), (30, 2696976), (32, 2528415), (36, 2247480), (40, 2022732), (45, 1797984), (48, 1685610), (54, 1498320), (60, 1348488), (72, 1123740), (80, 1011366), (81, 998880), (90, 898992), (96, 842805), (108, 749160), (120, 674244), (135, 599328), (144, 561870), (160, 505683), (162, 499440), (180, 449496), (216, 374580), (240, 337122), (243, 332960), (270, 299664), (288, 280935), (324, 249720), (360, 224748), (405, 199776), (432, 187290), (480, 168561), (486, 166480), (540, 149832), (648, 124860), (720, 112374), (810, 99888), (864, 93645), (972, 83240), (1080, 74916), (1215, 66592), (1296, 62430), (1440, 56187), (1620, 49944), (1944, 41620), (2081, 38880), (2160, 37458), (2430, 33296), (2592, 31215), (3240, 24972), (3888, 20810), (4162, 19440), (4320, 18729), (4860, 16648), (6243, 12960), (6480, 12486), (7776, 10405), (8324, 9720)]