257638320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 240

約数和(自身を含む): 930252960

約数和(自身を除く): 672614640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 243, 261, 270, 290, 324, 348, 360, 405, 432, 435, 457, 464, 486, 522, 540, 580, 648, 696, 720, 783, 810, 870, 914, 972, 1044, 1080, 1160, 1215, 1296, 1305, 1371, 1392, 1566, 1620, 1740, 1828, 1944, 2088, 2160, 2285, 2320, 2349, 2430, 2610, 2742, 3132, 3240, 3480, 3656, 3888, 3915, 4113, 4176, 4570, 4698, 4860, 5220, 5484, 6264, 6480, 6855, 6960, 7047, 7312, 7830, 8226, 9140, 9396, 9720, 10440, 10968, 11745, 12339, 12528, 13253, 13710, 14094, 15660, 16452, 18280, 18792, 19440, 20565, 20880, 21936, 23490, 24678, 26506, 27420, 28188, 31320, 32904, 35235, 36560, 37017, 37584, 39759, 41130, 46980, 49356, 53012, 54840, 56376, 61695, 62640, 65808, 66265, 70470, 74034, 79518, 82260, 93960, 98712, 106024, 109680, 111051, 112752, 119277, 123390, 132530, 140940, 148068, 159036, 164520, 185085, 187920, 197424, 198795, 212048, 222102, 238554, 246780, 265060, 281880, 296136, 318072, 329040, 357831, 370170, 397590, 444204, 477108, 493560, 530120, 555255, 563760, 592272, 596385, 636144, 715662, 740340, 795180, 888408, 954216, 987120, 1060240, 1073493, 1110510, 1192770, 1431324, 1480680, 1590360, 1776816, 1789155, 1908432, 2146986, 2221020, 2385540, 2862648, 2961360, 3180720, 3220479, 3578310, 4293972, 4442040, 4771080, 5367465, 5725296, 6440958, 7156620, 8587944, 8884080, 9542160, 10734930, 12881916, 14313240, 16102395, 17175888, 21469860, 25763832, 28626480, 32204790, 42939720, 51527664, 64409580, 85879440, 128819160, 257638320]

約数ペア:

[(1, 257638320), (2, 128819160), (3, 85879440), (4, 64409580), (5, 51527664), (6, 42939720), (8, 32204790), (9, 28626480), (10, 25763832), (12, 21469860), (15, 17175888), (16, 16102395), (18, 14313240), (20, 12881916), (24, 10734930), (27, 9542160), (29, 8884080), (30, 8587944), (36, 7156620), (40, 6440958), (45, 5725296), (48, 5367465), (54, 4771080), (58, 4442040), (60, 4293972), (72, 3578310), (80, 3220479), (81, 3180720), (87, 2961360), (90, 2862648), (108, 2385540), (116, 2221020), (120, 2146986), (135, 1908432), (144, 1789155), (145, 1776816), (162, 1590360), (174, 1480680), (180, 1431324), (216, 1192770), (232, 1110510), (240, 1073493), (243, 1060240), (261, 987120), (270, 954216), (290, 888408), (324, 795180), (348, 740340), (360, 715662), (405, 636144), (432, 596385), (435, 592272), (457, 563760), (464, 555255), (486, 530120), (522, 493560), (540, 477108), (580, 444204), (648, 397590), (696, 370170), (720, 357831), (783, 329040), (810, 318072), (870, 296136), (914, 281880), (972, 265060), (1044, 246780), (1080, 238554), (1160, 222102), (1215, 212048), (1296, 198795), (1305, 197424), (1371, 187920), (1392, 185085), (1566, 164520), (1620, 159036), (1740, 148068), (1828, 140940), (1944, 132530), (2088, 123390), (2160, 119277), (2285, 112752), (2320, 111051), (2349, 109680), (2430, 106024), (2610, 98712), (2742, 93960), (3132, 82260), (3240, 79518), (3480, 74034), (3656, 70470), (3888, 66265), (3915, 65808), (4113, 62640), (4176, 61695), (4570, 56376), (4698, 54840), (4860, 53012), (5220, 49356), (5484, 46980), (6264, 41130), (6480, 39759), (6855, 37584), (6960, 37017), (7047, 36560), (7312, 35235), (7830, 32904), (8226, 31320), (9140, 28188), (9396, 27420), (9720, 26506), (10440, 24678), (10968, 23490), (11745, 21936), (12339, 20880), (12528, 20565), (13253, 19440), (13710, 18792), (14094, 18280), (15660, 16452)]