81966456

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 192

約数和(自身を含む): 275184000

約数和(自身を除く): 193217544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 19, 22, 24, 26, 33, 36, 38, 39, 44, 52, 57, 66, 72, 76, 78, 88, 99, 104, 114, 117, 132, 143, 152, 156, 171, 198, 209, 228, 234, 247, 264, 286, 312, 342, 396, 418, 419, 429, 456, 468, 494, 572, 627, 684, 741, 792, 836, 838, 858, 936, 988, 1144, 1254, 1257, 1287, 1368, 1482, 1672, 1676, 1716, 1881, 1976, 2223, 2508, 2514, 2574, 2717, 2964, 3352, 3432, 3762, 3771, 4446, 4609, 5016, 5028, 5148, 5434, 5447, 5928, 7524, 7542, 7961, 8151, 8892, 9218, 10056, 10296, 10868, 10894, 13827, 15048, 15084, 15922, 16302, 16341, 17784, 18436, 21736, 21788, 23883, 24453, 27654, 30168, 31844, 32604, 32682, 36872, 41481, 43576, 47766, 48906, 49023, 55308, 59917, 63688, 65208, 65364, 71649, 82962, 87571, 95532, 97812, 98046, 103493, 110616, 119834, 130728, 143298, 165924, 175142, 179751, 191064, 195624, 196092, 206986, 239668, 262713, 286596, 310479, 331848, 350284, 359502, 392184, 413972, 479336, 525426, 539253, 573192, 620958, 700568, 719004, 788139, 827944, 931437, 1050852, 1078506, 1138423, 1241916, 1438008, 1576278, 1862874, 2101704, 2157012, 2276846, 2483832, 3152556, 3415269, 3725748, 4314024, 4553692, 6305112, 6830538, 7451496, 9107384, 10245807, 13661076, 20491614, 27322152, 40983228, 81966456]

約数ペア:

[(1, 81966456), (2, 40983228), (3, 27322152), (4, 20491614), (6, 13661076), (8, 10245807), (9, 9107384), (11, 7451496), (12, 6830538), (13, 6305112), (18, 4553692), (19, 4314024), (22, 3725748), (24, 3415269), (26, 3152556), (33, 2483832), (36, 2276846), (38, 2157012), (39, 2101704), (44, 1862874), (52, 1576278), (57, 1438008), (66, 1241916), (72, 1138423), (76, 1078506), (78, 1050852), (88, 931437), (99, 827944), (104, 788139), (114, 719004), (117, 700568), (132, 620958), (143, 573192), (152, 539253), (156, 525426), (171, 479336), (198, 413972), (209, 392184), (228, 359502), (234, 350284), (247, 331848), (264, 310479), (286, 286596), (312, 262713), (342, 239668), (396, 206986), (418, 196092), (419, 195624), (429, 191064), (456, 179751), (468, 175142), (494, 165924), (572, 143298), (627, 130728), (684, 119834), (741, 110616), (792, 103493), (836, 98046), (838, 97812), (858, 95532), (936, 87571), (988, 82962), (1144, 71649), (1254, 65364), (1257, 65208), (1287, 63688), (1368, 59917), (1482, 55308), (1672, 49023), (1676, 48906), (1716, 47766), (1881, 43576), (1976, 41481), (2223, 36872), (2508, 32682), (2514, 32604), (2574, 31844), (2717, 30168), (2964, 27654), (3352, 24453), (3432, 23883), (3762, 21788), (3771, 21736), (4446, 18436), (4609, 17784), (5016, 16341), (5028, 16302), (5148, 15922), (5434, 15084), (5447, 15048), (5928, 13827), (7524, 10894), (7542, 10868), (7961, 10296), (8151, 10056), (8892, 9218)]