258305280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 832676544

約数和(自身を除く): 574371264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 256, 274, 320, 384, 411, 480, 491, 548, 640, 685, 768, 822, 960, 982, 1096, 1280, 1370, 1473, 1644, 1920, 1964, 2055, 2192, 2455, 2740, 2946, 3288, 3840, 3928, 4110, 4384, 4910, 5480, 5892, 6576, 7365, 7856, 8220, 8768, 9820, 10960, 11784, 13152, 14730, 15712, 16440, 17536, 19640, 21920, 23568, 26304, 29460, 31424, 32880, 35072, 39280, 43840, 47136, 52608, 58920, 62848, 65760, 67267, 78560, 87680, 94272, 105216, 117840, 125696, 131520, 134534, 157120, 175360, 188544, 201801, 235680, 263040, 269068, 314240, 336335, 377088, 403602, 471360, 526080, 538136, 628480, 672670, 807204, 942720, 1009005, 1076272, 1345340, 1614408, 1885440, 2018010, 2152544, 2690680, 3228816, 4036020, 4305088, 5381360, 6457632, 8072040, 8610176, 10762720, 12915264, 16144080, 17220352, 21525440, 25830528, 32288160, 43050880, 51661056, 64576320, 86101760, 129152640, 258305280]

約数ペア:

[(1, 258305280), (2, 129152640), (3, 86101760), (4, 64576320), (5, 51661056), (6, 43050880), (8, 32288160), (10, 25830528), (12, 21525440), (15, 17220352), (16, 16144080), (20, 12915264), (24, 10762720), (30, 8610176), (32, 8072040), (40, 6457632), (48, 5381360), (60, 4305088), (64, 4036020), (80, 3228816), (96, 2690680), (120, 2152544), (128, 2018010), (137, 1885440), (160, 1614408), (192, 1345340), (240, 1076272), (256, 1009005), (274, 942720), (320, 807204), (384, 672670), (411, 628480), (480, 538136), (491, 526080), (548, 471360), (640, 403602), (685, 377088), (768, 336335), (822, 314240), (960, 269068), (982, 263040), (1096, 235680), (1280, 201801), (1370, 188544), (1473, 175360), (1644, 157120), (1920, 134534), (1964, 131520), (2055, 125696), (2192, 117840), (2455, 105216), (2740, 94272), (2946, 87680), (3288, 78560), (3840, 67267), (3928, 65760), (4110, 62848), (4384, 58920), (4910, 52608), (5480, 47136), (5892, 43840), (6576, 39280), (7365, 35072), (7856, 32880), (8220, 31424), (8768, 29460), (9820, 26304), (10960, 23568), (11784, 21920), (13152, 19640), (14730, 17536), (15712, 16440)]