256009572

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 240

約数和(自身を含む): 868954240

約数和(自身を除く): 612944668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 81, 84, 91, 108, 114, 117, 126, 133, 156, 162, 171, 182, 189, 228, 234, 247, 252, 266, 273, 324, 342, 351, 364, 378, 399, 457, 468, 494, 513, 532, 546, 567, 684, 702, 741, 756, 798, 819, 914, 988, 1026, 1053, 1092, 1134, 1197, 1371, 1404, 1482, 1539, 1596, 1638, 1729, 1828, 2052, 2106, 2223, 2268, 2394, 2457, 2742, 2964, 3078, 3199, 3276, 3458, 3591, 4113, 4212, 4446, 4788, 4914, 5187, 5484, 5941, 6156, 6398, 6669, 6916, 7182, 7371, 8226, 8683, 8892, 9597, 9828, 10374, 10773, 11882, 12339, 12796, 13338, 14364, 14742, 15561, 16452, 17366, 17823, 19194, 20007, 20748, 21546, 23764, 24678, 26049, 26676, 28791, 29484, 31122, 34732, 35646, 37017, 38388, 40014, 41587, 43092, 46683, 49356, 52098, 53469, 57582, 60781, 62244, 71292, 74034, 78147, 80028, 83174, 86373, 93366, 104196, 106938, 112879, 115164, 121562, 124761, 140049, 148068, 156294, 160407, 166348, 172746, 182343, 186732, 213876, 225758, 234441, 243124, 249522, 259119, 280098, 312588, 320814, 338637, 345492, 364686, 374283, 451516, 468882, 481221, 499044, 518238, 547029, 560196, 641628, 677274, 703323, 729372, 748566, 790153, 937764, 962442, 1015911, 1036476, 1094058, 1122849, 1354548, 1406646, 1497132, 1580306, 1641087, 1924884, 2031822, 2188116, 2245698, 2370459, 2813292, 3047733, 3160612, 3282174, 3368547, 4063644, 4491396, 4740918, 4923261, 6095466, 6564348, 6737094, 7111377, 9143199, 9481836, 9846522, 12190932, 13474188, 14222754, 18286398, 19693044, 21334131, 28445508, 36572796, 42668262, 64002393, 85336524, 128004786, 256009572]

約数ペア:

[(1, 256009572), (2, 128004786), (3, 85336524), (4, 64002393), (6, 42668262), (7, 36572796), (9, 28445508), (12, 21334131), (13, 19693044), (14, 18286398), (18, 14222754), (19, 13474188), (21, 12190932), (26, 9846522), (27, 9481836), (28, 9143199), (36, 7111377), (38, 6737094), (39, 6564348), (42, 6095466), (52, 4923261), (54, 4740918), (57, 4491396), (63, 4063644), (76, 3368547), (78, 3282174), (81, 3160612), (84, 3047733), (91, 2813292), (108, 2370459), (114, 2245698), (117, 2188116), (126, 2031822), (133, 1924884), (156, 1641087), (162, 1580306), (171, 1497132), (182, 1406646), (189, 1354548), (228, 1122849), (234, 1094058), (247, 1036476), (252, 1015911), (266, 962442), (273, 937764), (324, 790153), (342, 748566), (351, 729372), (364, 703323), (378, 677274), (399, 641628), (457, 560196), (468, 547029), (494, 518238), (513, 499044), (532, 481221), (546, 468882), (567, 451516), (684, 374283), (702, 364686), (741, 345492), (756, 338637), (798, 320814), (819, 312588), (914, 280098), (988, 259119), (1026, 249522), (1053, 243124), (1092, 234441), (1134, 225758), (1197, 213876), (1371, 186732), (1404, 182343), (1482, 172746), (1539, 166348), (1596, 160407), (1638, 156294), (1729, 148068), (1828, 140049), (2052, 124761), (2106, 121562), (2223, 115164), (2268, 112879), (2394, 106938), (2457, 104196), (2742, 93366), (2964, 86373), (3078, 83174), (3199, 80028), (3276, 78147), (3458, 74034), (3591, 71292), (4113, 62244), (4212, 60781), (4446, 57582), (4788, 53469), (4914, 52098), (5187, 49356), (5484, 46683), (5941, 43092), (6156, 41587), (6398, 40014), (6669, 38388), (6916, 37017), (7182, 35646), (7371, 34732), (8226, 31122), (8683, 29484), (8892, 28791), (9597, 26676), (9828, 26049), (10374, 24678), (10773, 23764), (11882, 21546), (12339, 20748), (12796, 20007), (13338, 19194), (14364, 17823), (14742, 17366), (15561, 16452)]