205961760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:811

約数の個数: 144

約数和(自身を含む): 706731480

約数和(自身を除く): 500769720

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, 509, 562, 720, 843, 1018, 1124, 1405, 1440, 1527, 1686, 2036, 2248, 2529, 2545, 2810, 3054, 3372, 4072, 4215, 4496, 4581, 5058, 5090, 5620, 6108, 6744, 7635, 8144, 8430, 8992, 9162, 10116, 10180, 11240, 12216, 12645, 13488, 15270, 16288, 16860, 18324, 20232, 20360, 22480, 22905, 24432, 25290, 26976, 30540, 33720, 36648, 40464, 40720, 44960, 45810, 48864, 50580, 61080, 67440, 73296, 80928, 81440, 91620, 101160, 122160, 134880, 143029, 146592, 183240, 202320, 244320, 286058, 366480, 404640, 429087, 572116, 715145, 732960, 858174, 1144232, 1287261, 1430290, 1716348, 2145435, 2288464, 2574522, 2860580, 3432696, 4290870, 4576928, 5149044, 5721160, 6436305, 6865392, 8581740, 10298088, 11442320, 12872610, 13730784, 17163480, 20596176, 22884640, 25745220, 34326960, 41192352, 51490440, 68653920, 102980880, 205961760]

約数ペア:

[(1, 205961760), (2, 102980880), (3, 68653920), (4, 51490440), (5, 41192352), (6, 34326960), (8, 25745220), (9, 22884640), (10, 20596176), (12, 17163480), (15, 13730784), (16, 12872610), (18, 11442320), (20, 10298088), (24, 8581740), (30, 6865392), (32, 6436305), (36, 5721160), (40, 5149044), (45, 4576928), (48, 4290870), (60, 3432696), (72, 2860580), (80, 2574522), (90, 2288464), (96, 2145435), (120, 1716348), (144, 1430290), (160, 1287261), (180, 1144232), (240, 858174), (281, 732960), (288, 715145), (360, 572116), (480, 429087), (509, 404640), (562, 366480), (720, 286058), (843, 244320), (1018, 202320), (1124, 183240), (1405, 146592), (1440, 143029), (1527, 134880), (1686, 122160), (2036, 101160), (2248, 91620), (2529, 81440), (2545, 80928), (2810, 73296), (3054, 67440), (3372, 61080), (4072, 50580), (4215, 48864), (4496, 45810), (4581, 44960), (5058, 40720), (5090, 40464), (5620, 36648), (6108, 33720), (6744, 30540), (7635, 26976), (8144, 25290), (8430, 24432), (8992, 22905), (9162, 22480), (10116, 20360), (10180, 20232), (11240, 18324), (12216, 16860), (12645, 16288), (13488, 15270)]