261331488

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 192

約数和(自身を含む): 859299840

約数和(自身を除く): 597968352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 66, 72, 88, 93, 96, 99, 108, 124, 132, 144, 176, 186, 198, 216, 248, 264, 279, 288, 297, 341, 352, 372, 396, 432, 496, 528, 558, 594, 682, 744, 792, 837, 864, 887, 992, 1023, 1056, 1116, 1188, 1364, 1488, 1584, 1674, 1774, 2046, 2232, 2376, 2661, 2728, 2976, 3069, 3168, 3348, 3548, 4092, 4464, 4752, 5322, 5456, 6138, 6696, 7096, 7983, 8184, 8928, 9207, 9504, 9757, 10644, 10912, 12276, 13392, 14192, 15966, 16368, 18414, 19514, 21288, 23949, 24552, 26784, 27497, 28384, 29271, 31932, 32736, 36828, 39028, 42576, 47898, 49104, 54994, 58542, 63864, 73656, 78056, 82491, 85152, 87813, 95796, 98208, 109988, 117084, 127728, 147312, 156112, 164982, 175626, 191592, 219976, 234168, 247473, 255456, 263439, 294624, 302467, 312224, 329964, 351252, 383184, 439952, 468336, 494946, 526878, 604934, 659928, 702504, 742419, 766368, 879904, 907401, 936672, 989892, 1053756, 1209868, 1319856, 1405008, 1484838, 1814802, 1979784, 2107512, 2419736, 2639712, 2722203, 2810016, 2969676, 3629604, 3959568, 4215024, 4839472, 5444406, 5939352, 7259208, 7919136, 8166609, 8430048, 9678944, 10888812, 11878704, 14518416, 16333218, 21777624, 23757408, 29036832, 32666436, 43555248, 65332872, 87110496, 130665744, 261331488]

約数ペア:

[(1, 261331488), (2, 130665744), (3, 87110496), (4, 65332872), (6, 43555248), (8, 32666436), (9, 29036832), (11, 23757408), (12, 21777624), (16, 16333218), (18, 14518416), (22, 11878704), (24, 10888812), (27, 9678944), (31, 8430048), (32, 8166609), (33, 7919136), (36, 7259208), (44, 5939352), (48, 5444406), (54, 4839472), (62, 4215024), (66, 3959568), (72, 3629604), (88, 2969676), (93, 2810016), (96, 2722203), (99, 2639712), (108, 2419736), (124, 2107512), (132, 1979784), (144, 1814802), (176, 1484838), (186, 1405008), (198, 1319856), (216, 1209868), (248, 1053756), (264, 989892), (279, 936672), (288, 907401), (297, 879904), (341, 766368), (352, 742419), (372, 702504), (396, 659928), (432, 604934), (496, 526878), (528, 494946), (558, 468336), (594, 439952), (682, 383184), (744, 351252), (792, 329964), (837, 312224), (864, 302467), (887, 294624), (992, 263439), (1023, 255456), (1056, 247473), (1116, 234168), (1188, 219976), (1364, 191592), (1488, 175626), (1584, 164982), (1674, 156112), (1774, 147312), (2046, 127728), (2232, 117084), (2376, 109988), (2661, 98208), (2728, 95796), (2976, 87813), (3069, 85152), (3168, 82491), (3348, 78056), (3548, 73656), (4092, 63864), (4464, 58542), (4752, 54994), (5322, 49104), (5456, 47898), (6138, 42576), (6696, 39028), (7096, 36828), (7983, 32736), (8184, 31932), (8928, 29271), (9207, 28384), (9504, 27497), (9757, 26784), (10644, 24552), (10912, 23949), (12276, 21288), (13392, 19514), (14192, 18414), (15966, 16368)]