81976608

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 216

約数和(自身を含む): 280284732

約数和(自身を除く): 198308124

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 49, 56, 63, 72, 74, 84, 96, 98, 111, 112, 126, 144, 147, 148, 157, 168, 196, 222, 224, 252, 259, 288, 294, 296, 314, 333, 336, 392, 441, 444, 471, 504, 518, 588, 592, 628, 666, 672, 777, 784, 882, 888, 942, 1008, 1036, 1099, 1176, 1184, 1256, 1332, 1413, 1554, 1568, 1764, 1776, 1813, 1884, 2016, 2072, 2198, 2331, 2352, 2512, 2664, 2826, 3108, 3297, 3528, 3552, 3626, 3768, 4144, 4396, 4662, 4704, 5024, 5328, 5439, 5652, 5809, 6216, 6594, 7056, 7252, 7536, 7693, 8288, 8792, 9324, 9891, 10656, 10878, 11304, 11618, 12432, 13188, 14112, 14504, 15072, 15386, 16317, 17427, 17584, 18648, 19782, 21756, 22608, 23079, 23236, 24864, 26376, 29008, 30772, 32634, 34854, 35168, 37296, 39564, 40663, 43512, 45216, 46158, 46472, 52281, 52752, 58016, 61544, 65268, 69237, 69708, 74592, 79128, 81326, 87024, 92316, 92944, 104562, 105504, 121989, 123088, 130536, 138474, 139416, 158256, 162652, 174048, 184632, 185888, 209124, 243978, 246176, 261072, 276948, 278832, 284641, 316512, 325304, 365967, 369264, 418248, 487956, 522144, 553896, 557664, 569282, 650608, 731934, 738528, 836496, 853923, 975912, 1107792, 1138564, 1301216, 1463868, 1672992, 1707846, 1951824, 2215584, 2277128, 2561769, 2927736, 3415692, 3903648, 4554256, 5123538, 5855472, 6831384, 9108512, 10247076, 11710944, 13662768, 20494152, 27325536, 40988304, 81976608]

約数ペア:

[(1, 81976608), (2, 40988304), (3, 27325536), (4, 20494152), (6, 13662768), (7, 11710944), (8, 10247076), (9, 9108512), (12, 6831384), (14, 5855472), (16, 5123538), (18, 4554256), (21, 3903648), (24, 3415692), (28, 2927736), (32, 2561769), (36, 2277128), (37, 2215584), (42, 1951824), (48, 1707846), (49, 1672992), (56, 1463868), (63, 1301216), (72, 1138564), (74, 1107792), (84, 975912), (96, 853923), (98, 836496), (111, 738528), (112, 731934), (126, 650608), (144, 569282), (147, 557664), (148, 553896), (157, 522144), (168, 487956), (196, 418248), (222, 369264), (224, 365967), (252, 325304), (259, 316512), (288, 284641), (294, 278832), (296, 276948), (314, 261072), (333, 246176), (336, 243978), (392, 209124), (441, 185888), (444, 184632), (471, 174048), (504, 162652), (518, 158256), (588, 139416), (592, 138474), (628, 130536), (666, 123088), (672, 121989), (777, 105504), (784, 104562), (882, 92944), (888, 92316), (942, 87024), (1008, 81326), (1036, 79128), (1099, 74592), (1176, 69708), (1184, 69237), (1256, 65268), (1332, 61544), (1413, 58016), (1554, 52752), (1568, 52281), (1764, 46472), (1776, 46158), (1813, 45216), (1884, 43512), (2016, 40663), (2072, 39564), (2198, 37296), (2331, 35168), (2352, 34854), (2512, 32634), (2664, 30772), (2826, 29008), (3108, 26376), (3297, 24864), (3528, 23236), (3552, 23079), (3626, 22608), (3768, 21756), (4144, 19782), (4396, 18648), (4662, 17584), (4704, 17427), (5024, 16317), (5328, 15386), (5439, 15072), (5652, 14504), (5809, 14112), (6216, 13188), (6594, 12432), (7056, 11618), (7252, 11304), (7536, 10878), (7693, 10656), (8288, 9891), (8792, 9324)]