81853596

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 255615360

約数和(自身を除く): 173761764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 33, 36, 38, 43, 44, 46, 57, 66, 69, 76, 86, 92, 99, 114, 121, 129, 132, 138, 171, 172, 198, 207, 209, 228, 242, 253, 258, 276, 342, 363, 387, 396, 414, 418, 437, 473, 484, 506, 516, 627, 684, 726, 759, 774, 817, 828, 836, 874, 946, 989, 1012, 1089, 1254, 1311, 1419, 1452, 1518, 1548, 1634, 1748, 1881, 1892, 1978, 2178, 2277, 2299, 2451, 2508, 2622, 2783, 2838, 2967, 3036, 3268, 3762, 3933, 3956, 4257, 4356, 4554, 4598, 4807, 4902, 5203, 5244, 5566, 5676, 5934, 6897, 7353, 7524, 7866, 8349, 8514, 8901, 8987, 9108, 9196, 9614, 9804, 10406, 10879, 11132, 11868, 13794, 14421, 14706, 15609, 15732, 16698, 17028, 17802, 17974, 18791, 19228, 20691, 20812, 21758, 25047, 26961, 27588, 28842, 29412, 31218, 32637, 33396, 35604, 35948, 37582, 41382, 43263, 43516, 46827, 50094, 52877, 53922, 56373, 57684, 62436, 65274, 75164, 80883, 82764, 86526, 93654, 97911, 98857, 100188, 105754, 107844, 112746, 119669, 130548, 158631, 161766, 169119, 173052, 187308, 195822, 197714, 206701, 211508, 225492, 239338, 296571, 317262, 323532, 338238, 359007, 391644, 395428, 413402, 475893, 478676, 593142, 620103, 634524, 676476, 718014, 826804, 889713, 951786, 1077021, 1186284, 1240206, 1436028, 1779426, 1860309, 1903572, 2154042, 2273711, 2480412, 3558852, 3720618, 4308084, 4547422, 6821133, 7441236, 9094844, 13642266, 20463399, 27284532, 40926798, 81853596]

約数ペア:

[(1, 81853596), (2, 40926798), (3, 27284532), (4, 20463399), (6, 13642266), (9, 9094844), (11, 7441236), (12, 6821133), (18, 4547422), (19, 4308084), (22, 3720618), (23, 3558852), (33, 2480412), (36, 2273711), (38, 2154042), (43, 1903572), (44, 1860309), (46, 1779426), (57, 1436028), (66, 1240206), (69, 1186284), (76, 1077021), (86, 951786), (92, 889713), (99, 826804), (114, 718014), (121, 676476), (129, 634524), (132, 620103), (138, 593142), (171, 478676), (172, 475893), (198, 413402), (207, 395428), (209, 391644), (228, 359007), (242, 338238), (253, 323532), (258, 317262), (276, 296571), (342, 239338), (363, 225492), (387, 211508), (396, 206701), (414, 197714), (418, 195822), (437, 187308), (473, 173052), (484, 169119), (506, 161766), (516, 158631), (627, 130548), (684, 119669), (726, 112746), (759, 107844), (774, 105754), (817, 100188), (828, 98857), (836, 97911), (874, 93654), (946, 86526), (989, 82764), (1012, 80883), (1089, 75164), (1254, 65274), (1311, 62436), (1419, 57684), (1452, 56373), (1518, 53922), (1548, 52877), (1634, 50094), (1748, 46827), (1881, 43516), (1892, 43263), (1978, 41382), (2178, 37582), (2277, 35948), (2299, 35604), (2451, 33396), (2508, 32637), (2622, 31218), (2783, 29412), (2838, 28842), (2967, 27588), (3036, 26961), (3268, 25047), (3762, 21758), (3933, 20812), (3956, 20691), (4257, 19228), (4356, 18791), (4554, 17974), (4598, 17802), (4807, 17028), (4902, 16698), (5203, 15732), (5244, 15609), (5566, 14706), (5676, 14421), (5934, 13794), (6897, 11868), (7353, 11132), (7524, 10879), (7866, 10406), (8349, 9804), (8514, 9614), (8901, 9196), (8987, 9108)]