81241776

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 300837888

約数和(自身を除く): 219596112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 17, 18, 21, 22, 24, 28, 33, 34, 36, 42, 44, 48, 51, 56, 63, 66, 68, 72, 77, 84, 88, 99, 102, 112, 119, 126, 132, 136, 144, 153, 154, 168, 176, 187, 198, 204, 231, 238, 252, 264, 272, 306, 308, 336, 357, 374, 396, 408, 431, 462, 476, 504, 528, 561, 612, 616, 693, 714, 748, 792, 816, 862, 924, 952, 1008, 1071, 1122, 1224, 1232, 1293, 1309, 1386, 1428, 1496, 1584, 1683, 1724, 1848, 1904, 2142, 2244, 2448, 2586, 2618, 2772, 2856, 2992, 3017, 3366, 3448, 3696, 3879, 3927, 4284, 4488, 4741, 5172, 5236, 5544, 5712, 6034, 6732, 6896, 7327, 7758, 7854, 8568, 8976, 9051, 9482, 10344, 10472, 11088, 11781, 12068, 13464, 14223, 14654, 15516, 15708, 17136, 18102, 18964, 20688, 20944, 21981, 23562, 24136, 26928, 27153, 28446, 29308, 31032, 31416, 33187, 36204, 37928, 42669, 43962, 47124, 48272, 51289, 54306, 56892, 58616, 62064, 62832, 65943, 66374, 72408, 75856, 80597, 85338, 87924, 94248, 99561, 102578, 108612, 113784, 117232, 131886, 132748, 144816, 153867, 161194, 170676, 175848, 188496, 199122, 205156, 217224, 227568, 241791, 263772, 265496, 298683, 307734, 322388, 341352, 351696, 398244, 410312, 434448, 461601, 483582, 527544, 530992, 564179, 597366, 615468, 644776, 682704, 725373, 796488, 820624, 923202, 967164, 1055088, 1128358, 1194732, 1230936, 1289552, 1450746, 1592976, 1692537, 1846404, 1934328, 2256716, 2389464, 2461872, 2901492, 3385074, 3692808, 3868656, 4513432, 4778928, 5077611, 5802984, 6770148, 7385616, 9026864, 10155222, 11605968, 13540296, 20310444, 27080592, 40620888, 81241776]

約数ペア:

[(1, 81241776), (2, 40620888), (3, 27080592), (4, 20310444), (6, 13540296), (7, 11605968), (8, 10155222), (9, 9026864), (11, 7385616), (12, 6770148), (14, 5802984), (16, 5077611), (17, 4778928), (18, 4513432), (21, 3868656), (22, 3692808), (24, 3385074), (28, 2901492), (33, 2461872), (34, 2389464), (36, 2256716), (42, 1934328), (44, 1846404), (48, 1692537), (51, 1592976), (56, 1450746), (63, 1289552), (66, 1230936), (68, 1194732), (72, 1128358), (77, 1055088), (84, 967164), (88, 923202), (99, 820624), (102, 796488), (112, 725373), (119, 682704), (126, 644776), (132, 615468), (136, 597366), (144, 564179), (153, 530992), (154, 527544), (168, 483582), (176, 461601), (187, 434448), (198, 410312), (204, 398244), (231, 351696), (238, 341352), (252, 322388), (264, 307734), (272, 298683), (306, 265496), (308, 263772), (336, 241791), (357, 227568), (374, 217224), (396, 205156), (408, 199122), (431, 188496), (462, 175848), (476, 170676), (504, 161194), (528, 153867), (561, 144816), (612, 132748), (616, 131886), (693, 117232), (714, 113784), (748, 108612), (792, 102578), (816, 99561), (862, 94248), (924, 87924), (952, 85338), (1008, 80597), (1071, 75856), (1122, 72408), (1224, 66374), (1232, 65943), (1293, 62832), (1309, 62064), (1386, 58616), (1428, 56892), (1496, 54306), (1584, 51289), (1683, 48272), (1724, 47124), (1848, 43962), (1904, 42669), (2142, 37928), (2244, 36204), (2448, 33187), (2586, 31416), (2618, 31032), (2772, 29308), (2856, 28446), (2992, 27153), (3017, 26928), (3366, 24136), (3448, 23562), (3696, 21981), (3879, 20944), (3927, 20688), (4284, 18964), (4488, 18102), (4741, 17136), (5172, 15708), (5236, 15516), (5544, 14654), (5712, 14223), (6034, 13464), (6732, 12068), (6896, 11781), (7327, 11088), (7758, 10472), (7854, 10344), (8568, 9482), (8976, 9051)]