255960320

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 288

約数和(自身を含む): 794707200

約数和(自身を除く): 538746880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 53, 55, 56, 64, 70, 77, 80, 88, 98, 106, 110, 112, 128, 140, 154, 160, 176, 196, 212, 220, 224, 245, 256, 265, 280, 308, 320, 343, 352, 371, 385, 392, 424, 440, 448, 490, 530, 539, 560, 583, 616, 640, 686, 704, 742, 770, 784, 848, 880, 896, 980, 1060, 1078, 1120, 1166, 1232, 1280, 1372, 1408, 1484, 1540, 1568, 1696, 1715, 1760, 1792, 1855, 1960, 2120, 2156, 2240, 2332, 2464, 2597, 2695, 2744, 2816, 2915, 2968, 3080, 3136, 3392, 3430, 3520, 3710, 3773, 3920, 4081, 4240, 4312, 4480, 4664, 4928, 5194, 5390, 5488, 5830, 5936, 6160, 6272, 6784, 6860, 7040, 7420, 7546, 7840, 8162, 8480, 8624, 8960, 9328, 9856, 10388, 10780, 10976, 11660, 11872, 12320, 12544, 12985, 13568, 13720, 14080, 14840, 15092, 15680, 16324, 16960, 17248, 18179, 18656, 18865, 19712, 20405, 20776, 21560, 21952, 23320, 23744, 24640, 25970, 27440, 28567, 29680, 30184, 31360, 32648, 33920, 34496, 36358, 37312, 37730, 40810, 41552, 43120, 43904, 46640, 47488, 49280, 51940, 54880, 57134, 59360, 60368, 62720, 65296, 67840, 68992, 72716, 74624, 75460, 81620, 83104, 86240, 87808, 90895, 93280, 94976, 98560, 103880, 109760, 114268, 118720, 120736, 130592, 137984, 142835, 145432, 149248, 150920, 163240, 166208, 172480, 181790, 186560, 199969, 207760, 219520, 228536, 237440, 241472, 261184, 285670, 290864, 301840, 326480, 332416, 344960, 363580, 373120, 399938, 415520, 439040, 457072, 474880, 482944, 522368, 571340, 581728, 603680, 652960, 664832, 689920, 727160, 746240, 799876, 831040, 914144, 965888, 999845, 1044736, 1142680, 1163456, 1207360, 1305920, 1454320, 1599752, 1662080, 1828288, 1999690, 2285360, 2326912, 2414720, 2611840, 2908640, 3199504, 3324160, 3656576, 3999380, 4570720, 4653824, 4829440, 5223680, 5817280, 6399008, 7313152, 7998760, 9141440, 11634560, 12798016, 15997520, 18282880, 23269120, 25596032, 31995040, 36565760, 51192064, 63990080, 127980160, 255960320]

約数ペア:

[(1, 255960320), (2, 127980160), (4, 63990080), (5, 51192064), (7, 36565760), (8, 31995040), (10, 25596032), (11, 23269120), (14, 18282880), (16, 15997520), (20, 12798016), (22, 11634560), (28, 9141440), (32, 7998760), (35, 7313152), (40, 6399008), (44, 5817280), (49, 5223680), (53, 4829440), (55, 4653824), (56, 4570720), (64, 3999380), (70, 3656576), (77, 3324160), (80, 3199504), (88, 2908640), (98, 2611840), (106, 2414720), (110, 2326912), (112, 2285360), (128, 1999690), (140, 1828288), (154, 1662080), (160, 1599752), (176, 1454320), (196, 1305920), (212, 1207360), (220, 1163456), (224, 1142680), (245, 1044736), (256, 999845), (265, 965888), (280, 914144), (308, 831040), (320, 799876), (343, 746240), (352, 727160), (371, 689920), (385, 664832), (392, 652960), (424, 603680), (440, 581728), (448, 571340), (490, 522368), (530, 482944), (539, 474880), (560, 457072), (583, 439040), (616, 415520), (640, 399938), (686, 373120), (704, 363580), (742, 344960), (770, 332416), (784, 326480), (848, 301840), (880, 290864), (896, 285670), (980, 261184), (1060, 241472), (1078, 237440), (1120, 228536), (1166, 219520), (1232, 207760), (1280, 199969), (1372, 186560), (1408, 181790), (1484, 172480), (1540, 166208), (1568, 163240), (1696, 150920), (1715, 149248), (1760, 145432), (1792, 142835), (1855, 137984), (1960, 130592), (2120, 120736), (2156, 118720), (2240, 114268), (2332, 109760), (2464, 103880), (2597, 98560), (2695, 94976), (2744, 93280), (2816, 90895), (2915, 87808), (2968, 86240), (3080, 83104), (3136, 81620), (3392, 75460), (3430, 74624), (3520, 72716), (3710, 68992), (3773, 67840), (3920, 65296), (4081, 62720), (4240, 60368), (4312, 59360), (4480, 57134), (4664, 54880), (4928, 51940), (5194, 49280), (5390, 47488), (5488, 46640), (5830, 43904), (5936, 43120), (6160, 41552), (6272, 40810), (6784, 37730), (6860, 37312), (7040, 36358), (7420, 34496), (7546, 33920), (7840, 32648), (8162, 31360), (8480, 30184), (8624, 29680), (8960, 28567), (9328, 27440), (9856, 25970), (10388, 24640), (10780, 23744), (10976, 23320), (11660, 21952), (11872, 21560), (12320, 20776), (12544, 20405), (12985, 19712), (13568, 18865), (13720, 18656), (14080, 18179), (14840, 17248), (15092, 16960), (15680, 16324)]