255936240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16927}}^1$

素因数の和:16956

約数の個数: 160

約数和(自身を含む): 1007554560

約数和(自身を除く): 751618320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16927, 33854, 50781, 67708, 84635, 101562, 118489, 135416, 152343, 169270, 203124, 236978, 253905, 270832, 304686, 338540, 355467, 406248, 457029, 473956, 507810, 592445, 609372, 677080, 710934, 761715, 812496, 914058, 947912, 1015620, 1066401, 1184890, 1218744, 1354160, 1421868, 1523430, 1777335, 1828116, 1895824, 2031240, 2132802, 2285145, 2369780, 2437488, 2843736, 3046860, 3199203, 3554670, 3656232, 4062480, 4265604, 4570290, 4739560, 5332005, 5687472, 6093720, 6398406, 7109340, 7312464, 8531208, 9140580, 9479120, 10664010, 12187440, 12796812, 14218680, 15996015, 17062416, 18281160, 21328020, 25593624, 28437360, 31992030, 36562320, 42656040, 51187248, 63984060, 85312080, 127968120, 255936240]

約数ペア:

[(1, 255936240), (2, 127968120), (3, 85312080), (4, 63984060), (5, 51187248), (6, 42656040), (7, 36562320), (8, 31992030), (9, 28437360), (10, 25593624), (12, 21328020), (14, 18281160), (15, 17062416), (16, 15996015), (18, 14218680), (20, 12796812), (21, 12187440), (24, 10664010), (27, 9479120), (28, 9140580), (30, 8531208), (35, 7312464), (36, 7109340), (40, 6398406), (42, 6093720), (45, 5687472), (48, 5332005), (54, 4739560), (56, 4570290), (60, 4265604), (63, 4062480), (70, 3656232), (72, 3554670), (80, 3199203), (84, 3046860), (90, 2843736), (105, 2437488), (108, 2369780), (112, 2285145), (120, 2132802), (126, 2031240), (135, 1895824), (140, 1828116), (144, 1777335), (168, 1523430), (180, 1421868), (189, 1354160), (210, 1218744), (216, 1184890), (240, 1066401), (252, 1015620), (270, 947912), (280, 914058), (315, 812496), (336, 761715), (360, 710934), (378, 677080), (420, 609372), (432, 592445), (504, 507810), (540, 473956), (560, 457029), (630, 406248), (720, 355467), (756, 338540), (840, 304686), (945, 270832), (1008, 253905), (1080, 236978), (1260, 203124), (1512, 169270), (1680, 152343), (1890, 135416), (2160, 118489), (2520, 101562), (3024, 84635), (3780, 67708), (5040, 50781), (7560, 33854), (15120, 16927)]