660400384

素因数分解:

$2^8\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7841}}^1$

素因数の和:7911

約数の個数: 72

約数和(自身を含む): 1538788608

約数和(自身を除く): 878388224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 256, 329, 376, 448, 658, 752, 896, 1316, 1504, 1792, 2632, 3008, 5264, 6016, 7841, 10528, 12032, 15682, 21056, 31364, 42112, 54887, 62728, 84224, 109774, 125456, 219548, 250912, 368527, 439096, 501824, 737054, 878192, 1003648, 1474108, 1756384, 2007296, 2579689, 2948216, 3512768, 5159378, 5896432, 7025536, 10318756, 11792864, 14051072, 20637512, 23585728, 41275024, 47171456, 82550048, 94342912, 165100096, 330200192, 660400384]

約数ペア:

[(1, 660400384), (2, 330200192), (4, 165100096), (7, 94342912), (8, 82550048), (14, 47171456), (16, 41275024), (28, 23585728), (32, 20637512), (47, 14051072), (56, 11792864), (64, 10318756), (94, 7025536), (112, 5896432), (128, 5159378), (188, 3512768), (224, 2948216), (256, 2579689), (329, 2007296), (376, 1756384), (448, 1474108), (658, 1003648), (752, 878192), (896, 737054), (1316, 501824), (1504, 439096), (1792, 368527), (2632, 250912), (3008, 219548), (5264, 125456), (6016, 109774), (7841, 84224), (10528, 62728), (12032, 54887), (15682, 42112), (21056, 31364)]