81519984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6221}}^1$

素因数の和:6255

約数の個数: 120

約数和(自身を含む): 280836192

約数和(自身を除く): 199316208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6221, 6552, 12442, 13104, 18663, 24884, 37326, 43547, 49768, 55989, 74652, 80873, 87094, 99536, 111978, 130641, 149304, 161746, 174188, 223956, 242619, 261282, 298608, 323492, 348376, 391923, 447912, 485238, 522564, 566111, 646984, 696752, 727857, 783846, 895824, 970476, 1045128, 1132222, 1293968, 1455714, 1567692, 1698333, 1940952, 2090256, 2264444, 2911428, 3135384, 3396666, 3881904, 4528888, 5094999, 5822856, 6270768, 6793332, 9057776, 10189998, 11645712, 13586664, 20379996, 27173328, 40759992, 81519984]

約数ペア:

[(1, 81519984), (2, 40759992), (3, 27173328), (4, 20379996), (6, 13586664), (7, 11645712), (8, 10189998), (9, 9057776), (12, 6793332), (13, 6270768), (14, 5822856), (16, 5094999), (18, 4528888), (21, 3881904), (24, 3396666), (26, 3135384), (28, 2911428), (36, 2264444), (39, 2090256), (42, 1940952), (48, 1698333), (52, 1567692), (56, 1455714), (63, 1293968), (72, 1132222), (78, 1045128), (84, 970476), (91, 895824), (104, 783846), (112, 727857), (117, 696752), (126, 646984), (144, 566111), (156, 522564), (168, 485238), (182, 447912), (208, 391923), (234, 348376), (252, 323492), (273, 298608), (312, 261282), (336, 242619), (364, 223956), (468, 174188), (504, 161746), (546, 149304), (624, 130641), (728, 111978), (819, 99536), (936, 87094), (1008, 80873), (1092, 74652), (1456, 55989), (1638, 49768), (1872, 43547), (2184, 37326), (3276, 24884), (4368, 18663), (6221, 13104), (6552, 12442)]