81084960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5119}}^1$

素因数の和:5151

約数の個数: 144

約数和(自身を含む): 301916160

約数和(自身を除く): 220831200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5119, 5280, 7920, 10238, 15357, 15840, 20476, 25595, 30714, 40952, 46071, 51190, 56309, 61428, 76785, 81904, 92142, 102380, 112618, 122856, 153570, 163808, 168927, 184284, 204760, 225236, 230355, 245712, 281545, 307140, 337854, 368568, 409520, 450472, 460710, 491424, 506781, 563090, 614280, 675708, 737136, 819040, 844635, 900944, 921420, 1013562, 1126180, 1228560, 1351416, 1474272, 1689270, 1801888, 1842840, 2027124, 2252360, 2457120, 2533905, 2702832, 3378540, 3685680, 4054248, 4504720, 5067810, 5405664, 6757080, 7371360, 8108496, 9009440, 10135620, 13514160, 16216992, 20271240, 27028320, 40542480, 81084960]

約数ペア:

[(1, 81084960), (2, 40542480), (3, 27028320), (4, 20271240), (5, 16216992), (6, 13514160), (8, 10135620), (9, 9009440), (10, 8108496), (11, 7371360), (12, 6757080), (15, 5405664), (16, 5067810), (18, 4504720), (20, 4054248), (22, 3685680), (24, 3378540), (30, 2702832), (32, 2533905), (33, 2457120), (36, 2252360), (40, 2027124), (44, 1842840), (45, 1801888), (48, 1689270), (55, 1474272), (60, 1351416), (66, 1228560), (72, 1126180), (80, 1013562), (88, 921420), (90, 900944), (96, 844635), (99, 819040), (110, 737136), (120, 675708), (132, 614280), (144, 563090), (160, 506781), (165, 491424), (176, 460710), (180, 450472), (198, 409520), (220, 368568), (240, 337854), (264, 307140), (288, 281545), (330, 245712), (352, 230355), (360, 225236), (396, 204760), (440, 184284), (480, 168927), (495, 163808), (528, 153570), (660, 122856), (720, 112618), (792, 102380), (880, 92142), (990, 81904), (1056, 76785), (1320, 61428), (1440, 56309), (1584, 51190), (1760, 46071), (1980, 40952), (2640, 30714), (3168, 25595), (3960, 20476), (5119, 15840), (5280, 15357), (7920, 10238)]