256776156

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1$

素因数の和:2942

約数の個数: 144

約数和(自身を含む): 828731904

約数和(自身を除く): 571955748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 243, 252, 273, 324, 351, 364, 378, 468, 486, 546, 567, 702, 756, 819, 972, 1053, 1092, 1134, 1404, 1638, 1701, 2106, 2268, 2457, 2903, 3159, 3276, 3402, 4212, 4914, 5806, 6318, 6804, 7371, 8709, 9828, 11612, 12636, 14742, 17418, 20321, 22113, 26127, 29484, 34836, 37739, 40642, 44226, 52254, 60963, 75478, 78381, 81284, 88452, 104508, 113217, 121926, 150956, 156762, 182889, 226434, 235143, 243852, 264173, 313524, 339651, 365778, 452868, 470286, 528346, 548667, 679302, 705429, 731556, 792519, 940572, 1018953, 1056692, 1097334, 1358604, 1410858, 1585038, 1646001, 2037906, 2194668, 2377557, 2821716, 3056859, 3170076, 3292002, 4075812, 4755114, 4938003, 6113718, 6584004, 7132671, 9170577, 9510228, 9876006, 12227436, 14265342, 18341154, 19752012, 21398013, 28530684, 36682308, 42796026, 64194039, 85592052, 128388078, 256776156]

約数ペア:

[(1, 256776156), (2, 128388078), (3, 85592052), (4, 64194039), (6, 42796026), (7, 36682308), (9, 28530684), (12, 21398013), (13, 19752012), (14, 18341154), (18, 14265342), (21, 12227436), (26, 9876006), (27, 9510228), (28, 9170577), (36, 7132671), (39, 6584004), (42, 6113718), (52, 4938003), (54, 4755114), (63, 4075812), (78, 3292002), (81, 3170076), (84, 3056859), (91, 2821716), (108, 2377557), (117, 2194668), (126, 2037906), (156, 1646001), (162, 1585038), (182, 1410858), (189, 1358604), (234, 1097334), (243, 1056692), (252, 1018953), (273, 940572), (324, 792519), (351, 731556), (364, 705429), (378, 679302), (468, 548667), (486, 528346), (546, 470286), (567, 452868), (702, 365778), (756, 339651), (819, 313524), (972, 264173), (1053, 243852), (1092, 235143), (1134, 226434), (1404, 182889), (1638, 156762), (1701, 150956), (2106, 121926), (2268, 113217), (2457, 104508), (2903, 88452), (3159, 81284), (3276, 78381), (3402, 75478), (4212, 60963), (4914, 52254), (5806, 44226), (6318, 40642), (6804, 37739), (7371, 34836), (8709, 29484), (9828, 26127), (11612, 22113), (12636, 20321), (14742, 17418)]