261697776912

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:290

約数の個数: 960

約数和(自身を含む): 928686560256

約数和(自身を除く): 666988783344

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 33, 36, 39, 44, 48, 52, 53, 54, 66, 72, 78, 81, 83, 88, 99, 104, 106, 107, 108, 117, 132, 143, 144, 156, 159, 162, 166, 176, 198, 208, 212, 214, 216, 234, 243, 249, 264, 286, 297, 312, 318, 321, 324, 332, 351, 396, 424, 428, 429, 432, 468, 477, 486, 498, 528, 572, 583, 594, 624, 636, 642, 648, 664, 689, 702, 747, 792, 848, 856, 858, 891, 913, 936, 954, 963, 972, 996, 1053, 1079, 1144, 1166, 1177, 1188, 1272, 1284, 1287, 1296, 1328, 1378, 1391, 1404, 1431, 1494, 1584, 1712, 1716, 1749, 1782, 1826, 1872, 1908, 1926, 1944, 1992, 2067, 2106, 2158, 2241, 2288, 2332, 2354, 2376, 2544, 2568, 2574, 2673, 2739, 2756, 2782, 2808, 2862, 2889, 2988, 3159, 3237, 3432, 3498, 3531, 3564, 3652, 3816, 3852, 3861, 3888, 3984, 4134, 4173, 4212, 4293, 4316, 4399, 4482, 4664, 4708, 4752, 5136, 5148, 5247, 5346, 5478, 5512, 5564, 5616, 5671, 5724, 5778, 5976, 6201, 6318, 6474, 6723, 6864, 6996, 7062, 7128, 7304, 7579, 7632, 7704, 7722, 8217, 8268, 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約数ペア:

[(1, 261697776912), (2, 130848888456), (3, 87232592304), (4, 65424444228), (6, 43616296152), (8, 32712222114), (9, 29077530768), (11, 23790706992), (12, 21808148076), (13, 20130598224), (16, 16356111057), (18, 14538765384), (22, 11895353496), (24, 10904074038), (26, 10065299112), (27, 9692510256), (33, 7930235664), (36, 7269382692), (39, 6710199408), (44, 5947676748), (48, 5452037019), (52, 5032649556), (53, 4937693904), (54, 4846255128), (66, 3965117832), (72, 3634691346), (78, 3355099704), (81, 3230836752), (83, 3152985264), (88, 2973838374), (99, 2643411888), (104, 2516324778), (106, 2468846952), (107, 2445773616), (108, 2423127564), (117, 2236733136), (132, 1982558916), (143, 1830054384), (144, 1817345673), (156, 1677549852), (159, 1645897968), (162, 1615418376), (166, 1576492632), (176, 1486919187), (198, 1321705944), (208, 1258162389), (212, 1234423476), (214, 1222886808), (216, 1211563782), (234, 1118366568), (243, 1076945584), (249, 1050995088), (264, 991279458), (286, 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