81281592

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23039}}^1$

素因数の和:23065

約数の個数: 72

約数和(自身を含む): 256089600

約数和(自身を除く): 174808008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 23039, 46078, 69117, 92156, 138234, 161273, 184312, 207351, 276468, 322546, 414702, 483819, 552936, 645092, 829404, 967638, 1128911, 1290184, 1451457, 1658808, 1935276, 2257822, 2902914, 3386733, 3870552, 4515644, 5805828, 6773466, 9031288, 10160199, 11611656, 13546932, 20320398, 27093864, 40640796, 81281592]

約数ペア:

[(1, 81281592), (2, 40640796), (3, 27093864), (4, 20320398), (6, 13546932), (7, 11611656), (8, 10160199), (9, 9031288), (12, 6773466), (14, 5805828), (18, 4515644), (21, 3870552), (24, 3386733), (28, 2902914), (36, 2257822), (42, 1935276), (49, 1658808), (56, 1451457), (63, 1290184), (72, 1128911), (84, 967638), (98, 829404), (126, 645092), (147, 552936), (168, 483819), (196, 414702), (252, 322546), (294, 276468), (392, 207351), (441, 184312), (504, 161273), (588, 138234), (882, 92156), (1176, 69117), (1764, 46078), (3528, 23039)]