1321605720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{881}}^1$

素因数の和:1367

約数の個数: 160

約数和(自身を含む): 4456710720

約数和(自身を除く): 3135105000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 463, 540, 648, 810, 881, 926, 1080, 1389, 1620, 1762, 1852, 2315, 2643, 2778, 3240, 3524, 3704, 4167, 4405, 4630, 5286, 5556, 6945, 7048, 7929, 8334, 8810, 9260, 10572, 11112, 12501, 13215, 13890, 15858, 16668, 17620, 18520, 20835, 21144, 23787, 25002, 26430, 27780, 31716, 33336, 35240, 37503, 39645, 41670, 47574, 50004, 52860, 55560, 62505, 63432, 71361, 75006, 79290, 83340, 95148, 100008, 105720, 118935, 125010, 142722, 150012, 158580, 166680, 187515, 190296, 237870, 250020, 285444, 300024, 317160, 356805, 375030, 407903, 475740, 500040, 570888, 713610, 750060, 815806, 951480, 1223709, 1427220, 1500120, 1631612, 2039515, 2447418, 2854440, 3263224, 3671127, 4079030, 4894836, 6118545, 7342254, 8158060, 9789672, 11013381, 12237090, 14684508, 16316120, 18355635, 22026762, 24474180, 29369016, 33040143, 36711270, 44053524, 48948360, 55066905, 66080286, 73422540, 88107048, 110133810, 132160572, 146845080, 165200715, 220267620, 264321144, 330401430, 440535240, 660802860, 1321605720]

約数ペア:

[(1, 1321605720), (2, 660802860), (3, 440535240), (4, 330401430), (5, 264321144), (6, 220267620), (8, 165200715), (9, 146845080), (10, 132160572), (12, 110133810), (15, 88107048), (18, 73422540), (20, 66080286), (24, 55066905), (27, 48948360), (30, 44053524), (36, 36711270), (40, 33040143), (45, 29369016), (54, 24474180), (60, 22026762), (72, 18355635), (81, 16316120), (90, 14684508), (108, 12237090), (120, 11013381), (135, 9789672), (162, 8158060), (180, 7342254), (216, 6118545), (270, 4894836), (324, 4079030), (360, 3671127), (405, 3263224), (463, 2854440), (540, 2447418), (648, 2039515), (810, 1631612), (881, 1500120), (926, 1427220), (1080, 1223709), (1389, 951480), (1620, 815806), (1762, 750060), (1852, 713610), (2315, 570888), (2643, 500040), (2778, 475740), (3240, 407903), (3524, 375030), (3704, 356805), (4167, 317160), (4405, 300024), (4630, 285444), (5286, 250020), (5556, 237870), (6945, 190296), (7048, 187515), (7929, 166680), (8334, 158580), (8810, 150012), (9260, 142722), (10572, 125010), (11112, 118935), (12501, 105720), (13215, 100008), (13890, 95148), (15858, 83340), (16668, 79290), (17620, 75006), (18520, 71361), (20835, 63432), (21144, 62505), (23787, 55560), (25002, 52860), (26430, 50004), (27780, 47574), (31716, 41670), (33336, 39645), (35240, 37503)]