261356544

素因数分解:

$2^{10}\times 3^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 220

約数和(自身を含む): 820339344

約数和(自身を除く): 558982800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 137, 138, 144, 162, 184, 192, 207, 216, 256, 274, 276, 288, 324, 368, 384, 411, 414, 432, 512, 548, 552, 576, 621, 648, 736, 768, 822, 828, 864, 1024, 1096, 1104, 1152, 1233, 1242, 1296, 1472, 1536, 1644, 1656, 1728, 1863, 2192, 2208, 2304, 2466, 2484, 2592, 2944, 3072, 3151, 3288, 3312, 3456, 3699, 3726, 4384, 4416, 4608, 4932, 4968, 5184, 5888, 6302, 6576, 6624, 6912, 7398, 7452, 8768, 8832, 9216, 9453, 9864, 9936, 10368, 11097, 11776, 12604, 13152, 13248, 13824, 14796, 14904, 17536, 17664, 18906, 19728, 19872, 20736, 22194, 23552, 25208, 26304, 26496, 27648, 28359, 29592, 29808, 35072, 35328, 37812, 39456, 39744, 41472, 44388, 50416, 52608, 52992, 56718, 59184, 59616, 70144, 70656, 75624, 78912, 79488, 82944, 85077, 88776, 100832, 105216, 105984, 113436, 118368, 119232, 140288, 151248, 157824, 158976, 170154, 177552, 201664, 210432, 211968, 226872, 236736, 238464, 255231, 302496, 315648, 317952, 340308, 355104, 403328, 420864, 453744, 473472, 476928, 510462, 604992, 631296, 635904, 680616, 710208, 806656, 907488, 946944, 953856, 1020924, 1209984, 1262592, 1361232, 1420416, 1613312, 1814976, 1893888, 1907712, 2041848, 2419968, 2722464, 2840832, 3226624, 3629952, 3787776, 4083696, 4839936, 5444928, 5681664, 7259904, 8167392, 9679872, 10889856, 11363328, 14519808, 16334784, 21779712, 29039616, 32669568, 43559424, 65339136, 87118848, 130678272, 261356544]

約数ペア:

[(1, 261356544), (2, 130678272), (3, 87118848), (4, 65339136), (6, 43559424), (8, 32669568), (9, 29039616), (12, 21779712), (16, 16334784), (18, 14519808), (23, 11363328), (24, 10889856), (27, 9679872), (32, 8167392), (36, 7259904), (46, 5681664), (48, 5444928), (54, 4839936), (64, 4083696), (69, 3787776), (72, 3629952), (81, 3226624), (92, 2840832), (96, 2722464), (108, 2419968), (128, 2041848), (137, 1907712), (138, 1893888), (144, 1814976), (162, 1613312), (184, 1420416), (192, 1361232), (207, 1262592), (216, 1209984), (256, 1020924), (274, 953856), (276, 946944), (288, 907488), (324, 806656), (368, 710208), (384, 680616), (411, 635904), (414, 631296), (432, 604992), (512, 510462), (548, 476928), (552, 473472), (576, 453744), (621, 420864), (648, 403328), (736, 355104), (768, 340308), (822, 317952), (828, 315648), (864, 302496), (1024, 255231), (1096, 238464), (1104, 236736), (1152, 226872), (1233, 211968), (1242, 210432), (1296, 201664), (1472, 177552), (1536, 170154), (1644, 158976), (1656, 157824), (1728, 151248), (1863, 140288), (2192, 119232), (2208, 118368), (2304, 113436), (2466, 105984), (2484, 105216), (2592, 100832), (2944, 88776), (3072, 85077), (3151, 82944), (3288, 79488), (3312, 78912), (3456, 75624), (3699, 70656), (3726, 70144), (4384, 59616), (4416, 59184), (4608, 56718), (4932, 52992), (4968, 52608), (5184, 50416), (5888, 44388), (6302, 41472), (6576, 39744), (6624, 39456), (6912, 37812), (7398, 35328), (7452, 35072), (8768, 29808), (8832, 29592), (9216, 28359), (9453, 27648), (9864, 26496), (9936, 26304), (10368, 25208), (11097, 23552), (11776, 22194), (12604, 20736), (13152, 19872), (13248, 19728), (13824, 18906), (14796, 17664), (14904, 17536)]