256335156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 883384320

約数和(自身を除く): 627049164

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 31, 33, 36, 38, 42, 44, 57, 62, 63, 66, 76, 77, 84, 93, 99, 114, 124, 126, 132, 133, 154, 157, 171, 186, 198, 209, 217, 228, 231, 252, 266, 279, 308, 314, 341, 342, 372, 396, 399, 418, 434, 462, 471, 532, 558, 589, 627, 628, 651, 682, 684, 693, 798, 836, 868, 924, 942, 1023, 1099, 1116, 1178, 1197, 1254, 1302, 1364, 1386, 1413, 1463, 1596, 1727, 1767, 1881, 1884, 1953, 2046, 2198, 2356, 2387, 2394, 2508, 2604, 2772, 2826, 2926, 2983, 3069, 3297, 3454, 3534, 3762, 3906, 4092, 4123, 4389, 4396, 4774, 4788, 4867, 5181, 5301, 5652, 5852, 5966, 6138, 6479, 6594, 6908, 7068, 7161, 7524, 7812, 8246, 8778, 8949, 9548, 9734, 9891, 10362, 10602, 11932, 12089, 12276, 12369, 12958, 13167, 13188, 14322, 14601, 15543, 16492, 17556, 17898, 19437, 19468, 19782, 20724, 20881, 21204, 21483, 24178, 24738, 25916, 26334, 26847, 28644, 29202, 31086, 32813, 34069, 35796, 36267, 37107, 38874, 39564, 41762, 42966, 43803, 45353, 48356, 49476, 52668, 53537, 53694, 58311, 58404, 62172, 62643, 65626, 68138, 72534, 74214, 77748, 83524, 85932, 87606, 90706, 92473, 98439, 102207, 107074, 107388, 108801, 116622, 125286, 131252, 136059, 136276, 145068, 148428, 160611, 175212, 181412, 184946, 187929, 196878, 204414, 214148, 217602, 229691, 233244, 250572, 272118, 277419, 295317, 306621, 321222, 369892, 374759, 375858, 393756, 408177, 408828, 435204, 459382, 481833, 544236, 554838, 590634, 613242, 642444, 647311, 689073, 749518, 751716, 816354, 832257, 918764, 963666, 1017203, 1109676, 1124277, 1181268, 1226484, 1294622, 1378146, 1499036, 1632708, 1664514, 1927332, 1941933, 2034406, 2067219, 2248554, 2589244, 2756292, 3051609, 3329028, 3372831, 3883866, 4068812, 4134438, 4497108, 5825799, 6103218, 6745662, 7120421, 7767732, 8268876, 9154827, 11651598, 12206436, 13491324, 14240842, 18309654, 21361263, 23303196, 28481684, 36619308, 42722526, 64083789, 85445052, 128167578, 256335156]

約数ペア:

[(1, 256335156), (2, 128167578), (3, 85445052), (4, 64083789), (6, 42722526), (7, 36619308), (9, 28481684), (11, 23303196), (12, 21361263), (14, 18309654), (18, 14240842), (19, 13491324), (21, 12206436), (22, 11651598), (28, 9154827), (31, 8268876), (33, 7767732), (36, 7120421), (38, 6745662), (42, 6103218), (44, 5825799), (57, 4497108), (62, 4134438), (63, 4068812), (66, 3883866), (76, 3372831), (77, 3329028), (84, 3051609), (93, 2756292), (99, 2589244), (114, 2248554), (124, 2067219), (126, 2034406), (132, 1941933), (133, 1927332), (154, 1664514), (157, 1632708), (171, 1499036), (186, 1378146), (198, 1294622), (209, 1226484), (217, 1181268), (228, 1124277), (231, 1109676), (252, 1017203), (266, 963666), (279, 918764), (308, 832257), (314, 816354), (341, 751716), (342, 749518), (372, 689073), (396, 647311), (399, 642444), (418, 613242), (434, 590634), (462, 554838), (471, 544236), (532, 481833), (558, 459382), (589, 435204), (627, 408828), (628, 408177), (651, 393756), (682, 375858), (684, 374759), (693, 369892), (798, 321222), (836, 306621), (868, 295317), (924, 277419), (942, 272118), (1023, 250572), (1099, 233244), (1116, 229691), (1178, 217602), (1197, 214148), (1254, 204414), (1302, 196878), (1364, 187929), (1386, 184946), (1413, 181412), (1463, 175212), (1596, 160611), (1727, 148428), (1767, 145068), (1881, 136276), (1884, 136059), (1953, 131252), (2046, 125286), (2198, 116622), (2356, 108801), (2387, 107388), (2394, 107074), (2508, 102207), (2604, 98439), (2772, 92473), (2826, 90706), (2926, 87606), (2983, 85932), (3069, 83524), (3297, 77748), (3454, 74214), (3534, 72534), (3762, 68138), (3906, 65626), (4092, 62643), (4123, 62172), (4389, 58404), (4396, 58311), (4774, 53694), (4788, 53537), (4867, 52668), (5181, 49476), (5301, 48356), (5652, 45353), (5852, 43803), (5966, 42966), (6138, 41762), (6479, 39564), (6594, 38874), (6908, 37107), (7068, 36267), (7161, 35796), (7524, 34069), (7812, 32813), (8246, 31086), (8778, 29202), (8949, 28644), (9548, 26847), (9734, 26334), (9891, 25916), (10362, 24738), (10602, 24178), (11932, 21483), (12089, 21204), (12276, 20881), (12369, 20724), (12958, 19782), (13167, 19468), (13188, 19437), (14322, 17898), (14601, 17556), (15543, 16492)]