261282996

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 806818320

約数和(自身を除く): 545535324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 41, 51, 52, 54, 68, 78, 81, 82, 89, 102, 108, 117, 123, 153, 156, 162, 164, 178, 204, 221, 234, 246, 267, 306, 324, 351, 356, 369, 442, 459, 468, 492, 533, 534, 612, 663, 697, 702, 738, 801, 884, 918, 1053, 1066, 1068, 1107, 1157, 1326, 1377, 1394, 1404, 1476, 1513, 1599, 1602, 1836, 1989, 2091, 2106, 2132, 2214, 2314, 2403, 2652, 2754, 2788, 3026, 3198, 3204, 3321, 3471, 3649, 3978, 4182, 4212, 4428, 4539, 4628, 4797, 4806, 5508, 5967, 6052, 6273, 6396, 6642, 6942, 7209, 7298, 7956, 8364, 9061, 9078, 9594, 9612, 10413, 10947, 11934, 12546, 13284, 13617, 13884, 14391, 14418, 14596, 17901, 18122, 18156, 18819, 19188, 19669, 20826, 21894, 23868, 25092, 27183, 27234, 28782, 28836, 31239, 32841, 35802, 36244, 37638, 39338, 40851, 41652, 43173, 43788, 47437, 54366, 54468, 56457, 57564, 59007, 62033, 62478, 65682, 71604, 75276, 78676, 81549, 81702, 86346, 93717, 94874, 98523, 108732, 112914, 118014, 122553, 124066, 124956, 131364, 142311, 163098, 163404, 172692, 177021, 186099, 187434, 189748, 197046, 225828, 236028, 244647, 245106, 248132, 284622, 295569, 326196, 354042, 372198, 374868, 394092, 426933, 489294, 490212, 531063, 558297, 569244, 591138, 708084, 733941, 744396, 806429, 853866, 978588, 1062126, 1116594, 1182276, 1280799, 1467882, 1593189, 1612858, 1674891, 1707732, 2124252, 2233188, 2419287, 2561598, 2935764, 3186378, 3225716, 3349782, 3842397, 4838574, 5024673, 5123196, 6372756, 6699564, 7257861, 7684794, 9677148, 10049346, 14515722, 15369588, 20098692, 21773583, 29031444, 43547166, 65320749, 87094332, 130641498, 261282996]

約数ペア:

[(1, 261282996), (2, 130641498), (3, 87094332), (4, 65320749), (6, 43547166), (9, 29031444), (12, 21773583), (13, 20098692), (17, 15369588), (18, 14515722), (26, 10049346), (27, 9677148), (34, 7684794), (36, 7257861), (39, 6699564), (41, 6372756), (51, 5123196), (52, 5024673), (54, 4838574), (68, 3842397), (78, 3349782), (81, 3225716), (82, 3186378), (89, 2935764), (102, 2561598), (108, 2419287), (117, 2233188), (123, 2124252), (153, 1707732), (156, 1674891), (162, 1612858), (164, 1593189), (178, 1467882), (204, 1280799), (221, 1182276), (234, 1116594), (246, 1062126), (267, 978588), (306, 853866), (324, 806429), (351, 744396), (356, 733941), (369, 708084), (442, 591138), (459, 569244), (468, 558297), (492, 531063), (533, 490212), (534, 489294), (612, 426933), (663, 394092), (697, 374868), (702, 372198), (738, 354042), (801, 326196), (884, 295569), (918, 284622), (1053, 248132), (1066, 245106), (1068, 244647), (1107, 236028), (1157, 225828), (1326, 197046), (1377, 189748), (1394, 187434), (1404, 186099), (1476, 177021), (1513, 172692), (1599, 163404), (1602, 163098), (1836, 142311), (1989, 131364), (2091, 124956), (2106, 124066), (2132, 122553), (2214, 118014), (2314, 112914), (2403, 108732), (2652, 98523), (2754, 94874), (2788, 93717), (3026, 86346), (3198, 81702), (3204, 81549), (3321, 78676), (3471, 75276), (3649, 71604), (3978, 65682), (4182, 62478), (4212, 62033), (4428, 59007), (4539, 57564), (4628, 56457), (4797, 54468), (4806, 54366), (5508, 47437), (5967, 43788), (6052, 43173), (6273, 41652), (6396, 40851), (6642, 39338), (6942, 37638), (7209, 36244), (7298, 35802), (7956, 32841), (8364, 31239), (9061, 28836), (9078, 28782), (9594, 27234), (9612, 27183), (10413, 25092), (10947, 23868), (11934, 21894), (12546, 20826), (13284, 19669), (13617, 19188), (13884, 18819), (14391, 18156), (14418, 18122), (14596, 17901)]