261171456

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 288

約数和(自身を含む): 887324928

約数和(自身を除く): 626153472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 37, 39, 42, 48, 52, 56, 64, 74, 78, 84, 91, 96, 101, 104, 111, 112, 128, 148, 156, 168, 182, 192, 202, 208, 222, 224, 256, 259, 273, 296, 303, 312, 336, 364, 384, 404, 416, 444, 448, 481, 518, 546, 592, 606, 624, 672, 707, 728, 768, 777, 808, 832, 888, 896, 962, 1036, 1092, 1184, 1212, 1248, 1313, 1344, 1414, 1443, 1456, 1554, 1616, 1664, 1776, 1792, 1924, 2072, 2121, 2184, 2368, 2424, 2496, 2626, 2688, 2828, 2886, 2912, 3108, 3232, 3328, 3367, 3552, 3737, 3848, 3939, 4144, 4242, 4368, 4736, 4848, 4992, 5252, 5376, 5656, 5772, 5824, 6216, 6464, 6734, 7104, 7474, 7696, 7878, 8288, 8484, 8736, 9191, 9472, 9696, 9984, 10101, 10504, 11211, 11312, 11544, 11648, 12432, 12928, 13468, 14208, 14948, 15392, 15756, 16576, 16968, 17472, 18382, 19392, 20202, 21008, 22422, 22624, 23088, 23296, 24864, 25856, 26159, 26936, 27573, 28416, 29896, 30784, 31512, 33152, 33936, 34944, 36764, 38784, 40404, 42016, 44844, 45248, 46176, 48581, 49728, 52318, 53872, 55146, 59792, 61568, 63024, 66304, 67872, 69888, 73528, 77568, 78477, 80808, 84032, 89688, 90496, 92352, 97162, 99456, 104636, 107744, 110292, 119584, 123136, 126048, 135744, 145743, 147056, 156954, 161616, 168064, 179376, 180992, 184704, 194324, 198912, 209272, 215488, 220584, 239168, 252096, 271488, 291486, 294112, 313908, 323232, 336128, 340067, 358752, 369408, 388648, 418544, 430976, 441168, 478336, 504192, 542976, 582972, 588224, 627816, 646464, 680134, 717504, 777296, 837088, 861952, 882336, 956672, 1008384, 1020201, 1165944, 1176448, 1255632, 1292928, 1360268, 1435008, 1554592, 1674176, 1764672, 2040402, 2331888, 2352896, 2511264, 2585856, 2720536, 2870016, 3109184, 3348352, 3529344, 4080804, 4663776, 5022528, 5441072, 6218368, 6696704, 7058688, 8161608, 9327552, 10045056, 10882144, 12436736, 16323216, 18655104, 20090112, 21764288, 32646432, 37310208, 43528576, 65292864, 87057152, 130585728, 261171456]

約数ペア:

[(1, 261171456), (2, 130585728), (3, 87057152), (4, 65292864), (6, 43528576), (7, 37310208), (8, 32646432), (12, 21764288), (13, 20090112), (14, 18655104), (16, 16323216), (21, 12436736), (24, 10882144), (26, 10045056), (28, 9327552), (32, 8161608), (37, 7058688), (39, 6696704), (42, 6218368), (48, 5441072), (52, 5022528), (56, 4663776), (64, 4080804), (74, 3529344), (78, 3348352), (84, 3109184), (91, 2870016), (96, 2720536), (101, 2585856), (104, 2511264), (111, 2352896), (112, 2331888), (128, 2040402), (148, 1764672), (156, 1674176), (168, 1554592), (182, 1435008), (192, 1360268), (202, 1292928), (208, 1255632), (222, 1176448), (224, 1165944), (256, 1020201), (259, 1008384), (273, 956672), (296, 882336), (303, 861952), (312, 837088), (336, 777296), (364, 717504), (384, 680134), (404, 646464), (416, 627816), (444, 588224), (448, 582972), (481, 542976), (518, 504192), (546, 478336), (592, 441168), (606, 430976), (624, 418544), (672, 388648), (707, 369408), (728, 358752), (768, 340067), (777, 336128), (808, 323232), (832, 313908), (888, 294112), (896, 291486), (962, 271488), (1036, 252096), (1092, 239168), (1184, 220584), (1212, 215488), (1248, 209272), (1313, 198912), (1344, 194324), (1414, 184704), (1443, 180992), (1456, 179376), (1554, 168064), (1616, 161616), (1664, 156954), (1776, 147056), (1792, 145743), (1924, 135744), (2072, 126048), (2121, 123136), (2184, 119584), (2368, 110292), (2424, 107744), (2496, 104636), (2626, 99456), (2688, 97162), (2828, 92352), (2886, 90496), (2912, 89688), (3108, 84032), (3232, 80808), (3328, 78477), (3367, 77568), (3552, 73528), (3737, 69888), (3848, 67872), (3939, 66304), (4144, 63024), (4242, 61568), (4368, 59792), (4736, 55146), (4848, 53872), (4992, 52318), (5252, 49728), (5376, 48581), (5656, 46176), (5772, 45248), (5824, 44844), (6216, 42016), (6464, 40404), (6734, 38784), (7104, 36764), (7474, 34944), (7696, 33936), (7878, 33152), (8288, 31512), (8484, 30784), (8736, 29896), (9191, 28416), (9472, 27573), (9696, 26936), (9984, 26159), (10101, 25856), (10504, 24864), (11211, 23296), (11312, 23088), (11544, 22624), (11648, 22422), (12432, 21008), (12928, 20202), (13468, 19392), (14208, 18382), (14948, 17472), (15392, 16968), (15756, 16576)]