261111456

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{39419}}^1$

素因数の和:39458

約数の個数: 72

約数和(自身を含む): 774839520

約数和(自身を除く): 513728064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 6624, 39419, 78838, 118257, 157676, 236514, 315352, 354771, 473028, 630704, 709542, 906637, 946056, 1261408, 1419084, 1813274, 1892112, 2719911, 2838168, 3626548, 3784224, 5439822, 5676336, 7253096, 8159733, 10879644, 11352672, 14506192, 16319466, 21759288, 29012384, 32638932, 43518576, 65277864, 87037152, 130555728, 261111456]

約数ペア:

[(1, 261111456), (2, 130555728), (3, 87037152), (4, 65277864), (6, 43518576), (8, 32638932), (9, 29012384), (12, 21759288), (16, 16319466), (18, 14506192), (23, 11352672), (24, 10879644), (32, 8159733), (36, 7253096), (46, 5676336), (48, 5439822), (69, 3784224), (72, 3626548), (92, 2838168), (96, 2719911), (138, 1892112), (144, 1813274), (184, 1419084), (207, 1261408), (276, 946056), (288, 906637), (368, 709542), (414, 630704), (552, 473028), (736, 354771), (828, 315352), (1104, 236514), (1656, 157676), (2208, 118257), (3312, 78838), (6624, 39419)]