1256457432

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 3394690560

約数和(自身を除く): 2138233128

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 53, 67, 69, 92, 106, 134, 138, 159, 184, 201, 212, 268, 276, 318, 402, 424, 536, 552, 636, 641, 804, 1219, 1272, 1282, 1541, 1608, 1923, 2438, 2564, 3082, 3551, 3657, 3846, 4623, 4876, 5128, 6164, 7102, 7314, 7692, 9246, 9752, 10653, 12328, 14204, 14628, 14743, 15384, 18492, 21306, 28408, 29256, 29486, 33973, 36984, 42612, 42947, 44229, 58972, 67946, 81673, 85224, 85894, 88458, 101919, 117944, 128841, 135892, 163346, 171788, 176916, 203838, 245019, 257682, 271784, 326692, 343576, 353832, 407676, 490038, 515364, 653384, 781379, 815352, 980076, 987781, 1030728, 1562758, 1960152, 1975562, 2276191, 2344137, 2963343, 3125516, 3951124, 4552382, 4688274, 5926686, 6251032, 6828573, 7902248, 9104764, 9376548, 11853372, 13657146, 18209528, 18753096, 23706744, 27314292, 52352393, 54628584, 104704786, 157057179, 209409572, 314114358, 418819144, 628228716, 1256457432]

約数ペア:

[(1, 1256457432), (2, 628228716), (3, 418819144), (4, 314114358), (6, 209409572), (8, 157057179), (12, 104704786), (23, 54628584), (24, 52352393), (46, 27314292), (53, 23706744), (67, 18753096), (69, 18209528), (92, 13657146), (106, 11853372), (134, 9376548), (138, 9104764), (159, 7902248), (184, 6828573), (201, 6251032), (212, 5926686), (268, 4688274), (276, 4552382), (318, 3951124), (402, 3125516), (424, 2963343), (536, 2344137), (552, 2276191), (636, 1975562), (641, 1960152), (804, 1562758), (1219, 1030728), (1272, 987781), (1282, 980076), (1541, 815352), (1608, 781379), (1923, 653384), (2438, 515364), (2564, 490038), (3082, 407676), (3551, 353832), (3657, 343576), (3846, 326692), (4623, 271784), (4876, 257682), (5128, 245019), (6164, 203838), (7102, 176916), (7314, 171788), (7692, 163346), (9246, 135892), (9752, 128841), (10653, 117944), (12328, 101919), (14204, 88458), (14628, 85894), (14743, 85224), (15384, 81673), (18492, 67946), (21306, 58972), (28408, 44229), (29256, 42947), (29486, 42612), (33973, 36984)]