81621792

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40487}}^1$

素因数の和:40510

約数の個数: 72

約数和(自身を含む): 265277376

約数和(自身を除く): 183655584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40487, 80974, 121461, 161948, 242922, 283409, 323896, 364383, 485844, 566818, 647792, 728766, 850227, 971688, 1133636, 1295584, 1457532, 1700454, 1943376, 2267272, 2550681, 2915064, 3400908, 3886752, 4534544, 5101362, 5830128, 6801816, 9069088, 10202724, 11660256, 13603632, 20405448, 27207264, 40810896, 81621792]

約数ペア:

[(1, 81621792), (2, 40810896), (3, 27207264), (4, 20405448), (6, 13603632), (7, 11660256), (8, 10202724), (9, 9069088), (12, 6801816), (14, 5830128), (16, 5101362), (18, 4534544), (21, 3886752), (24, 3400908), (28, 2915064), (32, 2550681), (36, 2267272), (42, 1943376), (48, 1700454), (56, 1457532), (63, 1295584), (72, 1133636), (84, 971688), (96, 850227), (112, 728766), (126, 647792), (144, 566818), (168, 485844), (224, 364383), (252, 323896), (288, 283409), (336, 242922), (504, 161948), (672, 121461), (1008, 80974), (2016, 40487)]