81332640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 289941120

約数和(自身を除く): 208608480

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, 67, 72, 80, 90, 96, 108, 120, 134, 135, 144, 160, 180, 201, 216, 240, 268, 270, 281, 288, 335, 360, 402, 432, 480, 536, 540, 562, 603, 670, 720, 804, 843, 864, 1005, 1072, 1080, 1124, 1206, 1340, 1405, 1440, 1608, 1686, 1809, 2010, 2144, 2160, 2248, 2412, 2529, 2680, 2810, 3015, 3216, 3372, 3618, 4020, 4215, 4320, 4496, 4824, 5058, 5360, 5620, 6030, 6432, 6744, 7236, 7587, 8040, 8430, 8992, 9045, 9648, 10116, 10720, 11240, 12060, 12645, 13488, 14472, 15174, 16080, 16860, 18090, 18827, 19296, 20232, 22480, 24120, 25290, 26976, 28944, 30348, 32160, 33720, 36180, 37654, 37935, 40464, 44960, 48240, 50580, 56481, 57888, 60696, 67440, 72360, 75308, 75870, 80928, 94135, 96480, 101160, 112962, 121392, 134880, 144720, 150616, 151740, 169443, 188270, 202320, 225924, 242784, 282405, 289440, 301232, 303480, 338886, 376540, 404640, 451848, 508329, 564810, 602464, 606960, 677772, 753080, 847215, 903696, 1016658, 1129620, 1213920, 1355544, 1506160, 1694430, 1807392, 2033316, 2259240, 2541645, 2711088, 3012320, 3388860, 4066632, 4518480, 5083290, 5422176, 6777720, 8133264, 9036960, 10166580, 13555440, 16266528, 20333160, 27110880, 40666320, 81332640]

約数ペア:

[(1, 81332640), (2, 40666320), (3, 27110880), (4, 20333160), (5, 16266528), (6, 13555440), (8, 10166580), (9, 9036960), (10, 8133264), (12, 6777720), (15, 5422176), (16, 5083290), (18, 4518480), (20, 4066632), (24, 3388860), (27, 3012320), (30, 2711088), (32, 2541645), (36, 2259240), (40, 2033316), (45, 1807392), (48, 1694430), (54, 1506160), (60, 1355544), (67, 1213920), (72, 1129620), (80, 1016658), (90, 903696), (96, 847215), (108, 753080), (120, 677772), (134, 606960), (135, 602464), (144, 564810), (160, 508329), (180, 451848), (201, 404640), (216, 376540), (240, 338886), (268, 303480), (270, 301232), (281, 289440), (288, 282405), (335, 242784), (360, 225924), (402, 202320), (432, 188270), (480, 169443), (536, 151740), (540, 150616), (562, 144720), (603, 134880), (670, 121392), (720, 112962), (804, 101160), (843, 96480), (864, 94135), (1005, 80928), (1072, 75870), (1080, 75308), (1124, 72360), (1206, 67440), (1340, 60696), (1405, 57888), (1440, 56481), (1608, 50580), (1686, 48240), (1809, 44960), (2010, 40464), (2144, 37935), (2160, 37654), (2248, 36180), (2412, 33720), (2529, 32160), (2680, 30348), (2810, 28944), (3015, 26976), (3216, 25290), (3372, 24120), (3618, 22480), (4020, 20232), (4215, 19296), (4320, 18827), (4496, 18090), (4824, 16860), (5058, 16080), (5360, 15174), (5620, 14472), (6030, 13488), (6432, 12645), (6744, 12060), (7236, 11240), (7587, 10720), (8040, 10116), (8430, 9648), (8992, 9045)]