261946560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:243

約数の個数: 168

約数和(自身を含む): 869320080

約数和(自身を除く): 607373520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 97, 116, 120, 145, 160, 174, 192, 194, 232, 240, 290, 291, 320, 348, 388, 435, 464, 480, 485, 580, 582, 696, 776, 870, 928, 960, 970, 1160, 1164, 1392, 1455, 1552, 1740, 1856, 1940, 2320, 2328, 2784, 2813, 2910, 3104, 3480, 3880, 4640, 4656, 5568, 5626, 5820, 6208, 6960, 7760, 8439, 9280, 9312, 9409, 11252, 11640, 13920, 14065, 15520, 16878, 18624, 18818, 22504, 23280, 27840, 28130, 28227, 31040, 33756, 37636, 42195, 45008, 46560, 47045, 56260, 56454, 67512, 75272, 84390, 90016, 93120, 94090, 112520, 112908, 135024, 141135, 150544, 168780, 180032, 188180, 225040, 225816, 270048, 272861, 282270, 301088, 337560, 376360, 450080, 451632, 540096, 545722, 564540, 602176, 675120, 752720, 818583, 900160, 903264, 1091444, 1129080, 1350240, 1364305, 1505440, 1637166, 1806528, 2182888, 2258160, 2700480, 2728610, 3010880, 3274332, 4092915, 4365776, 4516320, 5457220, 6548664, 8185830, 8731552, 9032640, 10914440, 13097328, 16371660, 17463104, 21828880, 26194656, 32743320, 43657760, 52389312, 65486640, 87315520, 130973280, 261946560]

約数ペア:

[(1, 261946560), (2, 130973280), (3, 87315520), (4, 65486640), (5, 52389312), (6, 43657760), (8, 32743320), (10, 26194656), (12, 21828880), (15, 17463104), (16, 16371660), (20, 13097328), (24, 10914440), (29, 9032640), (30, 8731552), (32, 8185830), (40, 6548664), (48, 5457220), (58, 4516320), (60, 4365776), (64, 4092915), (80, 3274332), (87, 3010880), (96, 2728610), (97, 2700480), (116, 2258160), (120, 2182888), (145, 1806528), (160, 1637166), (174, 1505440), (192, 1364305), (194, 1350240), (232, 1129080), (240, 1091444), (290, 903264), (291, 900160), (320, 818583), (348, 752720), (388, 675120), (435, 602176), (464, 564540), (480, 545722), (485, 540096), (580, 451632), (582, 450080), (696, 376360), (776, 337560), (870, 301088), (928, 282270), (960, 272861), (970, 270048), (1160, 225816), (1164, 225040), (1392, 188180), (1455, 180032), (1552, 168780), (1740, 150544), (1856, 141135), (1940, 135024), (2320, 112908), (2328, 112520), (2784, 94090), (2813, 93120), (2910, 90016), (3104, 84390), (3480, 75272), (3880, 67512), (4640, 56454), (4656, 56260), (5568, 47045), (5626, 46560), (5820, 45008), (6208, 42195), (6960, 37636), (7760, 33756), (8439, 31040), (9280, 28227), (9312, 28130), (9409, 27840), (11252, 23280), (11640, 22504), (13920, 18818), (14065, 18624), (15520, 16878)]