257735520

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{947}}^1$

素因数の和:984

約数の個数: 288

約数和(自身を含む): 1043497728

約数和(自身を除く): 785762208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 947, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1894, 1944, 2016, 2160, 2268, 2430, 2520, 2592, 2835, 2841, 3024, 3240, 3360, 3402, 3780, 3788, 3888, 4320, 4536, 4735, 4860, 5040, 5670, 5682, 6048, 6480, 6629, 6804, 7560, 7576, 7776, 8505, 8523, 9072, 9470, 9720, 10080, 11340, 11364, 12960, 13258, 13608, 14205, 15120, 15152, 17010, 17046, 18144, 18940, 19440, 19887, 22680, 22728, 25569, 26516, 27216, 28410, 30240, 30304, 33145, 34020, 34092, 37880, 38880, 39774, 42615, 45360, 45456, 51138, 53032, 54432, 56820, 59661, 66290, 68040, 68184, 75760, 76707, 79548, 85230, 90720, 90912, 99435, 102276, 106064, 113640, 119322, 127845, 132580, 136080, 136368, 151520, 153414, 159096, 170460, 178983, 198870, 204552, 212128, 227280, 230121, 238644, 255690, 265160, 272160, 272736, 298305, 306828, 318192, 340920, 357966, 383535, 397740, 409104, 454560, 460242, 477288, 511380, 530320, 536949, 596610, 613656, 636384, 681840, 715932, 767070, 795480, 818208, 894915, 920484, 954576, 1022760, 1060640, 1073898, 1150605, 1193220, 1227312, 1363680, 1431864, 1534140, 1590960, 1610847, 1789830, 1840968, 1909152, 2045520, 2147796, 2301210, 2386440, 2454624, 2684745, 2863728, 3068280, 3181920, 3221694, 3579660, 3681936, 4091040, 4295592, 4602420, 4772880, 5369490, 5727456, 6136560, 6443388, 7159320, 7363872, 8054235, 8591184, 9204840, 9545760, 10738980, 12273120, 12886776, 14318640, 16108470, 17182368, 18409680, 21477960, 25773552, 28637280, 32216940, 36819360, 42955920, 51547104, 64433880, 85911840, 128867760, 257735520]

約数ペア:

[(1, 257735520), (2, 128867760), (3, 85911840), (4, 64433880), (5, 51547104), (6, 42955920), (7, 36819360), (8, 32216940), (9, 28637280), (10, 25773552), (12, 21477960), (14, 18409680), (15, 17182368), (16, 16108470), (18, 14318640), (20, 12886776), (21, 12273120), (24, 10738980), (27, 9545760), (28, 9204840), (30, 8591184), (32, 8054235), (35, 7363872), (36, 7159320), (40, 6443388), (42, 6136560), (45, 5727456), (48, 5369490), (54, 4772880), (56, 4602420), (60, 4295592), (63, 4091040), (70, 3681936), (72, 3579660), (80, 3221694), (81, 3181920), (84, 3068280), (90, 2863728), (96, 2684745), (105, 2454624), (108, 2386440), (112, 2301210), (120, 2147796), (126, 2045520), (135, 1909152), (140, 1840968), (144, 1789830), (160, 1610847), (162, 1590960), (168, 1534140), (180, 1431864), (189, 1363680), (210, 1227312), (216, 1193220), (224, 1150605), (240, 1073898), (243, 1060640), (252, 1022760), (270, 954576), (280, 920484), (288, 894915), (315, 818208), (324, 795480), (336, 767070), (360, 715932), (378, 681840), (405, 636384), (420, 613656), (432, 596610), (480, 536949), (486, 530320), (504, 511380), (540, 477288), (560, 460242), (567, 454560), (630, 409104), (648, 397740), (672, 383535), (720, 357966), (756, 340920), (810, 318192), (840, 306828), (864, 298305), (945, 272736), (947, 272160), (972, 265160), (1008, 255690), (1080, 238644), (1120, 230121), (1134, 227280), (1215, 212128), (1260, 204552), (1296, 198870), (1440, 178983), (1512, 170460), (1620, 159096), (1680, 153414), (1701, 151520), (1890, 136368), (1894, 136080), (1944, 132580), (2016, 127845), (2160, 119322), (2268, 113640), (2430, 106064), (2520, 102276), (2592, 99435), (2835, 90912), (2841, 90720), (3024, 85230), (3240, 79548), (3360, 76707), (3402, 75760), (3780, 68184), (3788, 68040), (3888, 66290), (4320, 59661), (4536, 56820), (4735, 54432), (4860, 53032), (5040, 51138), (5670, 45456), (5682, 45360), (6048, 42615), (6480, 39774), (6629, 38880), (6804, 37880), (7560, 34092), (7576, 34020), (7776, 33145), (8505, 30304), (8523, 30240), (9072, 28410), (9470, 27216), (9720, 26516), (10080, 25569), (11340, 22728), (11364, 22680), (12960, 19887), (13258, 19440), (13608, 18940), (14205, 18144), (15120, 17046), (15152, 17010)]