820205280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2027}}^1$

素因数の和:2329

約数の個数: 144

約数和(自身を含む): 2810296944

約数和(自身を除く): 1990091664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 281, 288, 360, 480, 562, 720, 843, 1124, 1405, 1440, 1686, 2027, 2248, 2529, 2810, 3372, 4054, 4215, 4496, 5058, 5620, 6081, 6744, 8108, 8430, 8992, 10116, 10135, 11240, 12162, 12645, 13488, 16216, 16860, 18243, 20232, 20270, 22480, 24324, 25290, 26976, 30405, 32432, 33720, 36486, 40464, 40540, 44960, 48648, 50580, 60810, 64864, 67440, 72972, 80928, 81080, 91215, 97296, 101160, 121620, 134880, 145944, 162160, 182430, 194592, 202320, 243240, 291888, 324320, 364860, 404640, 486480, 569587, 583776, 729720, 972960, 1139174, 1459440, 1708761, 2278348, 2847935, 2918880, 3417522, 4556696, 5126283, 5695870, 6835044, 8543805, 9113392, 10252566, 11391740, 13670088, 17087610, 18226784, 20505132, 22783480, 25631415, 27340176, 34175220, 41010264, 45566960, 51262830, 54680352, 68350440, 82020528, 91133920, 102525660, 136700880, 164041056, 205051320, 273401760, 410102640, 820205280]

約数ペア:

[(1, 820205280), (2, 410102640), (3, 273401760), (4, 205051320), (5, 164041056), (6, 136700880), (8, 102525660), (9, 91133920), (10, 82020528), (12, 68350440), (15, 54680352), (16, 51262830), (18, 45566960), (20, 41010264), (24, 34175220), (30, 27340176), (32, 25631415), (36, 22783480), (40, 20505132), (45, 18226784), (48, 17087610), (60, 13670088), (72, 11391740), (80, 10252566), (90, 9113392), (96, 8543805), (120, 6835044), (144, 5695870), (160, 5126283), (180, 4556696), (240, 3417522), (281, 2918880), (288, 2847935), (360, 2278348), (480, 1708761), (562, 1459440), (720, 1139174), (843, 972960), (1124, 729720), (1405, 583776), (1440, 569587), (1686, 486480), (2027, 404640), (2248, 364860), (2529, 324320), (2810, 291888), (3372, 243240), (4054, 202320), (4215, 194592), (4496, 182430), (5058, 162160), (5620, 145944), (6081, 134880), (6744, 121620), (8108, 101160), (8430, 97296), (8992, 91215), (10116, 81080), (10135, 80928), (11240, 72972), (12162, 67440), (12645, 64864), (13488, 60810), (16216, 50580), (16860, 48648), (18243, 44960), (20232, 40540), (20270, 40464), (22480, 36486), (24324, 33720), (25290, 32432), (26976, 30405)]