261857160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 885109680

約数和(自身を除く): 623252520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 113, 120, 123, 157, 164, 180, 205, 226, 246, 314, 328, 339, 360, 369, 410, 452, 471, 492, 565, 615, 628, 678, 738, 785, 820, 904, 942, 984, 1017, 1130, 1230, 1256, 1356, 1413, 1476, 1570, 1640, 1695, 1845, 1884, 2034, 2260, 2355, 2460, 2712, 2826, 2952, 3140, 3390, 3690, 3768, 4068, 4520, 4633, 4710, 4920, 5085, 5652, 6280, 6437, 6780, 7065, 7380, 8136, 9266, 9420, 10170, 11304, 12874, 13560, 13899, 14130, 14760, 17741, 18532, 18840, 19311, 20340, 23165, 25748, 27798, 28260, 32185, 35482, 37064, 38622, 40680, 41697, 46330, 51496, 53223, 55596, 56520, 57933, 64370, 69495, 70964, 77244, 83394, 88705, 92660, 96555, 106446, 111192, 115866, 128740, 138990, 141928, 154488, 159669, 166788, 177410, 185320, 193110, 208485, 212892, 231732, 257480, 266115, 277980, 289665, 319338, 333576, 354820, 386220, 416970, 425784, 463464, 532230, 555960, 579330, 638676, 709640, 727381, 772440, 798345, 833940, 1064460, 1158660, 1277352, 1454762, 1596690, 1667880, 2128920, 2182143, 2317320, 2909524, 3193380, 3636905, 4364286, 5819048, 6386760, 6546429, 7273810, 8728572, 10910715, 13092858, 14547620, 17457144, 21821430, 26185716, 29095240, 32732145, 43642860, 52371432, 65464290, 87285720, 130928580, 261857160]

約数ペア:

[(1, 261857160), (2, 130928580), (3, 87285720), (4, 65464290), (5, 52371432), (6, 43642860), (8, 32732145), (9, 29095240), (10, 26185716), (12, 21821430), (15, 17457144), (18, 14547620), (20, 13092858), (24, 10910715), (30, 8728572), (36, 7273810), (40, 6546429), (41, 6386760), (45, 5819048), (60, 4364286), (72, 3636905), (82, 3193380), (90, 2909524), (113, 2317320), (120, 2182143), (123, 2128920), (157, 1667880), (164, 1596690), (180, 1454762), (205, 1277352), (226, 1158660), (246, 1064460), (314, 833940), (328, 798345), (339, 772440), (360, 727381), (369, 709640), (410, 638676), (452, 579330), (471, 555960), (492, 532230), (565, 463464), (615, 425784), (628, 416970), (678, 386220), (738, 354820), (785, 333576), (820, 319338), (904, 289665), (942, 277980), (984, 266115), (1017, 257480), (1130, 231732), (1230, 212892), (1256, 208485), (1356, 193110), (1413, 185320), (1476, 177410), (1570, 166788), (1640, 159669), (1695, 154488), (1845, 141928), (1884, 138990), (2034, 128740), (2260, 115866), (2355, 111192), (2460, 106446), (2712, 96555), (2826, 92660), (2952, 88705), (3140, 83394), (3390, 77244), (3690, 70964), (3768, 69495), (4068, 64370), (4520, 57933), (4633, 56520), (4710, 55596), (4920, 53223), (5085, 51496), (5652, 46330), (6280, 41697), (6437, 40680), (6780, 38622), (7065, 37064), (7380, 35482), (8136, 32185), (9266, 28260), (9420, 27798), (10170, 25748), (11304, 23165), (12874, 20340), (13560, 19311), (13899, 18840), (14130, 18532), (14760, 17741)]