256406904

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:874

約数の個数: 128

約数和(自身を含む): 774144000

約数和(自身を除く): 517737096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 127, 156, 216, 234, 254, 312, 351, 381, 468, 508, 702, 719, 762, 936, 1016, 1143, 1404, 1438, 1524, 1651, 2157, 2286, 2808, 2876, 3048, 3302, 3429, 4314, 4572, 4953, 5752, 6471, 6604, 6858, 8628, 9144, 9347, 9906, 12942, 13208, 13716, 14859, 17256, 18694, 19413, 19812, 25884, 27432, 28041, 29718, 37388, 38826, 39624, 44577, 51768, 56082, 59436, 74776, 77652, 84123, 89154, 91313, 112164, 118872, 155304, 168246, 178308, 182626, 224328, 252369, 273939, 336492, 356616, 365252, 504738, 547878, 672984, 730504, 821817, 1009476, 1095756, 1187069, 1643634, 2018952, 2191512, 2374138, 2465451, 3287268, 3561207, 4748276, 4930902, 6574536, 7122414, 9496552, 9861804, 10683621, 14244828, 19723608, 21367242, 28489656, 32050863, 42734484, 64101726, 85468968, 128203452, 256406904]

約数ペア:

[(1, 256406904), (2, 128203452), (3, 85468968), (4, 64101726), (6, 42734484), (8, 32050863), (9, 28489656), (12, 21367242), (13, 19723608), (18, 14244828), (24, 10683621), (26, 9861804), (27, 9496552), (36, 7122414), (39, 6574536), (52, 4930902), (54, 4748276), (72, 3561207), (78, 3287268), (104, 2465451), (108, 2374138), (117, 2191512), (127, 2018952), (156, 1643634), (216, 1187069), (234, 1095756), (254, 1009476), (312, 821817), (351, 730504), (381, 672984), (468, 547878), (508, 504738), (702, 365252), (719, 356616), (762, 336492), (936, 273939), (1016, 252369), (1143, 224328), (1404, 182626), (1438, 178308), (1524, 168246), (1651, 155304), (2157, 118872), (2286, 112164), (2808, 91313), (2876, 89154), (3048, 84123), (3302, 77652), (3429, 74776), (4314, 59436), (4572, 56082), (4953, 51768), (5752, 44577), (6471, 39624), (6604, 38826), (6858, 37388), (8628, 29718), (9144, 28041), (9347, 27432), (9906, 25884), (12942, 19812), (13208, 19413), (13716, 18694), (14859, 17256)]