257723856

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{5099}}^1$

素因数の和:5135

約数の個数: 120

約数和(自身を含む): 805677600

約数和(自身を除く): 547953744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 624, 648, 702, 936, 972, 1053, 1296, 1404, 1872, 1944, 2106, 2808, 3159, 3888, 4212, 5099, 5616, 6318, 8424, 10198, 12636, 15297, 16848, 20396, 25272, 30594, 40792, 45891, 50544, 61188, 66287, 81584, 91782, 122376, 132574, 137673, 183564, 198861, 244752, 265148, 275346, 367128, 397722, 413019, 530296, 550692, 596583, 734256, 795444, 826038, 1060592, 1101384, 1193166, 1239057, 1590888, 1652076, 1789749, 2202768, 2386332, 2478114, 3181776, 3304152, 3579498, 4772664, 4956228, 5369247, 6608304, 7158996, 9545328, 9912456, 10738494, 14317992, 16107741, 19824912, 21476988, 28635984, 32215482, 42953976, 64430964, 85907952, 128861928, 257723856]

約数ペア:

[(1, 257723856), (2, 128861928), (3, 85907952), (4, 64430964), (6, 42953976), (8, 32215482), (9, 28635984), (12, 21476988), (13, 19824912), (16, 16107741), (18, 14317992), (24, 10738494), (26, 9912456), (27, 9545328), (36, 7158996), (39, 6608304), (48, 5369247), (52, 4956228), (54, 4772664), (72, 3579498), (78, 3304152), (81, 3181776), (104, 2478114), (108, 2386332), (117, 2202768), (144, 1789749), (156, 1652076), (162, 1590888), (208, 1239057), (216, 1193166), (234, 1101384), (243, 1060592), (312, 826038), (324, 795444), (351, 734256), (432, 596583), (468, 550692), (486, 530296), (624, 413019), (648, 397722), (702, 367128), (936, 275346), (972, 265148), (1053, 244752), (1296, 198861), (1404, 183564), (1872, 137673), (1944, 132574), (2106, 122376), (2808, 91782), (3159, 81584), (3888, 66287), (4212, 61188), (5099, 50544), (5616, 45891), (6318, 40792), (8424, 30594), (10198, 25272), (12636, 20396), (15297, 16848)]