81727080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 256089600

約数和(自身を除く): 174362520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 79, 111, 120, 148, 158, 185, 222, 233, 237, 296, 316, 370, 395, 444, 466, 474, 555, 632, 699, 740, 790, 888, 932, 948, 1110, 1165, 1185, 1398, 1480, 1580, 1864, 1896, 2220, 2330, 2370, 2796, 2923, 3160, 3495, 4440, 4660, 4740, 5592, 5846, 6990, 8621, 8769, 9320, 9480, 11692, 13980, 14615, 17242, 17538, 18407, 23384, 25863, 27960, 29230, 34484, 35076, 36814, 43105, 43845, 51726, 55221, 58460, 68968, 70152, 73628, 86210, 87690, 92035, 103452, 110442, 116920, 129315, 147256, 172420, 175380, 184070, 206904, 220884, 258630, 276105, 344840, 350760, 368140, 441768, 517260, 552210, 681059, 736280, 1034520, 1104420, 1362118, 2043177, 2208840, 2724236, 3405295, 4086354, 5448472, 6810590, 8172708, 10215885, 13621180, 16345416, 20431770, 27242360, 40863540, 81727080]

約数ペア:

[(1, 81727080), (2, 40863540), (3, 27242360), (4, 20431770), (5, 16345416), (6, 13621180), (8, 10215885), (10, 8172708), (12, 6810590), (15, 5448472), (20, 4086354), (24, 3405295), (30, 2724236), (37, 2208840), (40, 2043177), (60, 1362118), (74, 1104420), (79, 1034520), (111, 736280), (120, 681059), (148, 552210), (158, 517260), (185, 441768), (222, 368140), (233, 350760), (237, 344840), (296, 276105), (316, 258630), (370, 220884), (395, 206904), (444, 184070), (466, 175380), (474, 172420), (555, 147256), (632, 129315), (699, 116920), (740, 110442), (790, 103452), (888, 92035), (932, 87690), (948, 86210), (1110, 73628), (1165, 70152), (1185, 68968), (1398, 58460), (1480, 55221), (1580, 51726), (1864, 43845), (1896, 43105), (2220, 36814), (2330, 35076), (2370, 34484), (2796, 29230), (2923, 27960), (3160, 25863), (3495, 23384), (4440, 18407), (4660, 17538), (4740, 17242), (5592, 14615), (5846, 13980), (6990, 11692), (8621, 9480), (8769, 9320)]