8720208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 28706496

約数和(自身を除く): 19986288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 211, 246, 252, 287, 328, 336, 369, 422, 492, 504, 574, 633, 656, 738, 844, 861, 984, 1008, 1148, 1266, 1476, 1477, 1688, 1722, 1899, 1968, 2296, 2532, 2583, 2952, 2954, 3376, 3444, 3798, 4431, 4592, 5064, 5166, 5904, 5908, 6888, 7596, 8651, 8862, 10128, 10332, 11816, 13293, 13776, 15192, 17302, 17724, 20664, 23632, 25953, 26586, 30384, 34604, 35448, 41328, 51906, 53172, 60557, 69208, 70896, 77859, 103812, 106344, 121114, 138416, 155718, 181671, 207624, 212688, 242228, 311436, 363342, 415248, 484456, 545013, 622872, 726684, 968912, 1090026, 1245744, 1453368, 2180052, 2906736, 4360104, 8720208]

約数ペア:

[(1, 8720208), (2, 4360104), (3, 2906736), (4, 2180052), (6, 1453368), (7, 1245744), (8, 1090026), (9, 968912), (12, 726684), (14, 622872), (16, 545013), (18, 484456), (21, 415248), (24, 363342), (28, 311436), (36, 242228), (41, 212688), (42, 207624), (48, 181671), (56, 155718), (63, 138416), (72, 121114), (82, 106344), (84, 103812), (112, 77859), (123, 70896), (126, 69208), (144, 60557), (164, 53172), (168, 51906), (211, 41328), (246, 35448), (252, 34604), (287, 30384), (328, 26586), (336, 25953), (369, 23632), (422, 20664), (492, 17724), (504, 17302), (574, 15192), (633, 13776), (656, 13293), (738, 11816), (844, 10332), (861, 10128), (984, 8862), (1008, 8651), (1148, 7596), (1266, 6888), (1476, 5908), (1477, 5904), (1688, 5166), (1722, 5064), (1899, 4592), (1968, 4431), (2296, 3798), (2532, 3444), (2583, 3376), (2952, 2954)]