257156856

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:911

約数の個数: 160

約数和(自身を含む): 804988800

約数和(自身を除く): 547831944

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 43, 44, 54, 66, 72, 81, 86, 88, 99, 108, 129, 132, 162, 172, 198, 216, 258, 264, 297, 324, 344, 387, 396, 473, 516, 594, 648, 774, 792, 839, 891, 946, 1032, 1161, 1188, 1419, 1548, 1678, 1782, 1892, 2322, 2376, 2517, 2838, 3096, 3356, 3483, 3564, 3784, 4257, 4644, 5034, 5676, 6712, 6966, 7128, 7551, 8514, 9229, 9288, 10068, 11352, 12771, 13932, 15102, 17028, 18458, 20136, 22653, 25542, 27687, 27864, 30204, 34056, 36077, 36916, 38313, 45306, 51084, 55374, 60408, 67959, 72154, 73832, 76626, 83061, 90612, 102168, 108231, 110748, 135918, 144308, 153252, 166122, 181224, 216462, 221496, 249183, 271836, 288616, 306504, 324693, 332244, 396847, 432924, 498366, 543672, 649386, 664488, 747549, 793694, 865848, 974079, 996732, 1190541, 1298772, 1495098, 1587388, 1948158, 1993464, 2381082, 2597544, 2922237, 2990196, 3174776, 3571623, 3896316, 4762164, 5844474, 5980392, 7143246, 7792632, 9524328, 10714869, 11688948, 14286492, 21429738, 23377896, 28572984, 32144607, 42859476, 64289214, 85718952, 128578428, 257156856]

約数ペア:

[(1, 257156856), (2, 128578428), (3, 85718952), (4, 64289214), (6, 42859476), (8, 32144607), (9, 28572984), (11, 23377896), (12, 21429738), (18, 14286492), (22, 11688948), (24, 10714869), (27, 9524328), (33, 7792632), (36, 7143246), (43, 5980392), (44, 5844474), (54, 4762164), (66, 3896316), (72, 3571623), (81, 3174776), (86, 2990196), (88, 2922237), (99, 2597544), (108, 2381082), (129, 1993464), (132, 1948158), (162, 1587388), (172, 1495098), (198, 1298772), (216, 1190541), (258, 996732), (264, 974079), (297, 865848), (324, 793694), (344, 747549), (387, 664488), (396, 649386), (473, 543672), (516, 498366), (594, 432924), (648, 396847), (774, 332244), (792, 324693), (839, 306504), (891, 288616), (946, 271836), (1032, 249183), (1161, 221496), (1188, 216462), (1419, 181224), (1548, 166122), (1678, 153252), (1782, 144308), (1892, 135918), (2322, 110748), (2376, 108231), (2517, 102168), (2838, 90612), (3096, 83061), (3356, 76626), (3483, 73832), (3564, 72154), (3784, 67959), (4257, 60408), (4644, 55374), (5034, 51084), (5676, 45306), (6712, 38313), (6966, 36916), (7128, 36077), (7551, 34056), (8514, 30204), (9229, 27864), (9288, 27687), (10068, 25542), (11352, 22653), (12771, 20136), (13932, 18458), (15102, 17028)]