257130984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 806215680

約数和(自身を除く): 549084696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 23, 24, 33, 34, 44, 46, 47, 51, 53, 66, 68, 69, 88, 92, 94, 102, 106, 132, 136, 138, 141, 159, 184, 187, 188, 204, 212, 253, 264, 276, 282, 318, 374, 376, 391, 408, 424, 506, 517, 552, 561, 564, 583, 636, 748, 759, 782, 799, 901, 1012, 1034, 1081, 1122, 1128, 1166, 1173, 1219, 1272, 1496, 1518, 1551, 1564, 1598, 1749, 1802, 2024, 2068, 2162, 2244, 2332, 2346, 2397, 2438, 2491, 2703, 3036, 3102, 3128, 3196, 3243, 3498, 3604, 3657, 4136, 4301, 4324, 4488, 4664, 4692, 4794, 4876, 4982, 5406, 6072, 6204, 6392, 6486, 6996, 7208, 7314, 7473, 8602, 8648, 8789, 9384, 9588, 9752, 9911, 9964, 10812, 11891, 12408, 12903, 12972, 13409, 13992, 14628, 14946, 17204, 17578, 18377, 19176, 19822, 19928, 20723, 21624, 23782, 25806, 25944, 26367, 26818, 27401, 29256, 29733, 29892, 34408, 35156, 35673, 36754, 39644, 40227, 41446, 42347, 47564, 51612, 52734, 53636, 54802, 55131, 57293, 59466, 59784, 62169, 70312, 71346, 73508, 79288, 80454, 82203, 82892, 84694, 95128, 103224, 105468, 107272, 109604, 110262, 114586, 118932, 124338, 127041, 142692, 147016, 160908, 164406, 165784, 169388, 171879, 202147, 210936, 219208, 220524, 227953, 229172, 237864, 248676, 254082, 285384, 321816, 328812, 338776, 343758, 404294, 441048, 455906, 458344, 465817, 497352, 508164, 606441, 630223, 657624, 683859, 687516, 808588, 911812, 931634, 973981, 1016328, 1212882, 1260446, 1367718, 1375032, 1397451, 1617176, 1823624, 1863268, 1890669, 1947962, 2425764, 2520892, 2735436, 2794902, 2921943, 3726536, 3781338, 3895924, 4851528, 5041784, 5470872, 5589804, 5843886, 7562676, 7791848, 10713791, 11179608, 11687772, 15125352, 21427582, 23375544, 32141373, 42855164, 64282746, 85710328, 128565492, 257130984]

約数ペア:

[(1, 257130984), (2, 128565492), (3, 85710328), (4, 64282746), (6, 42855164), (8, 32141373), (11, 23375544), (12, 21427582), (17, 15125352), (22, 11687772), (23, 11179608), (24, 10713791), (33, 7791848), (34, 7562676), (44, 5843886), (46, 5589804), (47, 5470872), (51, 5041784), (53, 4851528), (66, 3895924), (68, 3781338), (69, 3726536), (88, 2921943), (92, 2794902), (94, 2735436), (102, 2520892), (106, 2425764), (132, 1947962), (136, 1890669), (138, 1863268), (141, 1823624), (159, 1617176), (184, 1397451), (187, 1375032), (188, 1367718), (204, 1260446), (212, 1212882), (253, 1016328), (264, 973981), (276, 931634), (282, 911812), (318, 808588), (374, 687516), (376, 683859), (391, 657624), (408, 630223), (424, 606441), (506, 508164), (517, 497352), (552, 465817), (561, 458344), (564, 455906), (583, 441048), (636, 404294), (748, 343758), (759, 338776), (782, 328812), (799, 321816), (901, 285384), (1012, 254082), (1034, 248676), (1081, 237864), (1122, 229172), (1128, 227953), (1166, 220524), (1173, 219208), (1219, 210936), (1272, 202147), (1496, 171879), (1518, 169388), (1551, 165784), (1564, 164406), (1598, 160908), (1749, 147016), (1802, 142692), (2024, 127041), (2068, 124338), (2162, 118932), (2244, 114586), (2332, 110262), (2346, 109604), (2397, 107272), (2438, 105468), (2491, 103224), (2703, 95128), (3036, 84694), (3102, 82892), (3128, 82203), (3196, 80454), (3243, 79288), (3498, 73508), (3604, 71346), (3657, 70312), (4136, 62169), (4301, 59784), (4324, 59466), (4488, 57293), (4664, 55131), (4692, 54802), (4794, 53636), (4876, 52734), (4982, 51612), (5406, 47564), (6072, 42347), (6204, 41446), (6392, 40227), (6486, 39644), (6996, 36754), (7208, 35673), (7314, 35156), (7473, 34408), (8602, 29892), (8648, 29733), (8789, 29256), (9384, 27401), (9588, 26818), (9752, 26367), (9911, 25944), (9964, 25806), (10812, 23782), (11891, 21624), (12408, 20723), (12903, 19928), (12972, 19822), (13409, 19176), (13992, 18377), (14628, 17578), (14946, 17204)]