261481248

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{2647}}^1$

素因数の和:2684

約数の個数: 144

約数和(自身を含む): 867484800

約数和(自身を除く): 606003552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 343, 392, 441, 504, 588, 672, 686, 784, 882, 1008, 1029, 1176, 1372, 1568, 1764, 2016, 2058, 2352, 2647, 2744, 3087, 3528, 4116, 4704, 5294, 5488, 6174, 7056, 7941, 8232, 10588, 10976, 12348, 14112, 15882, 16464, 18529, 21176, 23823, 24696, 31764, 32928, 37058, 42352, 47646, 49392, 55587, 63528, 74116, 84704, 95292, 98784, 111174, 127056, 129703, 148232, 166761, 190584, 222348, 254112, 259406, 296464, 333522, 381168, 389109, 444696, 518812, 592928, 667044, 762336, 778218, 889392, 907921, 1037624, 1167327, 1334088, 1556436, 1778784, 1815842, 2075248, 2334654, 2668176, 2723763, 3112872, 3631684, 4150496, 4669308, 5336352, 5447526, 6225744, 7263368, 8171289, 9338616, 10895052, 12451488, 14526736, 16342578, 18677232, 21790104, 29053472, 32685156, 37354464, 43580208, 65370312, 87160416, 130740624, 261481248]

約数ペア:

[(1, 261481248), (2, 130740624), (3, 87160416), (4, 65370312), (6, 43580208), (7, 37354464), (8, 32685156), (9, 29053472), (12, 21790104), (14, 18677232), (16, 16342578), (18, 14526736), (21, 12451488), (24, 10895052), (28, 9338616), (32, 8171289), (36, 7263368), (42, 6225744), (48, 5447526), (49, 5336352), (56, 4669308), (63, 4150496), (72, 3631684), (84, 3112872), (96, 2723763), (98, 2668176), (112, 2334654), (126, 2075248), (144, 1815842), (147, 1778784), (168, 1556436), (196, 1334088), (224, 1167327), (252, 1037624), (288, 907921), (294, 889392), (336, 778218), (343, 762336), (392, 667044), (441, 592928), (504, 518812), (588, 444696), (672, 389109), (686, 381168), (784, 333522), (882, 296464), (1008, 259406), (1029, 254112), (1176, 222348), (1372, 190584), (1568, 166761), (1764, 148232), (2016, 129703), (2058, 127056), (2352, 111174), (2647, 98784), (2744, 95292), (3087, 84704), (3528, 74116), (4116, 63528), (4704, 55587), (5294, 49392), (5488, 47646), (6174, 42352), (7056, 37058), (7941, 32928), (8232, 31764), (10588, 24696), (10976, 23823), (12348, 21176), (14112, 18529), (15882, 16464)]