257927040

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6397}}^1$

素因数の和:6429

約数の個数: 192

約数和(自身を含む): 1018049760

約数和(自身を除く): 760122720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6397, 6720, 8064, 10080, 12794, 13440, 19191, 20160, 25588, 31985, 38382, 40320, 44779, 51176, 57573, 63970, 76764, 89558, 95955, 102352, 115146, 127940, 134337, 153528, 179116, 191910, 204704, 223895, 230292, 255880, 268674, 287865, 307056, 358232, 383820, 403011, 409408, 447790, 460584, 511760, 537348, 575730, 614112, 671685, 716464, 767640, 806022, 818816, 895580, 921168, 1023520, 1074696, 1151460, 1228224, 1343370, 1432928, 1535280, 1612044, 1791160, 1842336, 2015055, 2047040, 2149392, 2302920, 2456448, 2686740, 2865856, 3070560, 3224088, 3582320, 3684672, 4030110, 4094080, 4298784, 4605840, 5373480, 5731712, 6141120, 6448176, 7164640, 7369344, 8060220, 8597568, 9211680, 10746960, 12282240, 12896352, 14329280, 16120440, 17195136, 18423360, 21493920, 25792704, 28658560, 32240880, 36846720, 42987840, 51585408, 64481760, 85975680, 128963520, 257927040]

約数ペア:

[(1, 257927040), (2, 128963520), (3, 85975680), (4, 64481760), (5, 51585408), (6, 42987840), (7, 36846720), (8, 32240880), (9, 28658560), (10, 25792704), (12, 21493920), (14, 18423360), (15, 17195136), (16, 16120440), (18, 14329280), (20, 12896352), (21, 12282240), (24, 10746960), (28, 9211680), (30, 8597568), (32, 8060220), (35, 7369344), (36, 7164640), (40, 6448176), (42, 6141120), (45, 5731712), (48, 5373480), (56, 4605840), (60, 4298784), (63, 4094080), (64, 4030110), (70, 3684672), (72, 3582320), (80, 3224088), (84, 3070560), (90, 2865856), (96, 2686740), (105, 2456448), (112, 2302920), (120, 2149392), (126, 2047040), (128, 2015055), (140, 1842336), (144, 1791160), (160, 1612044), (168, 1535280), (180, 1432928), (192, 1343370), (210, 1228224), (224, 1151460), (240, 1074696), (252, 1023520), (280, 921168), (288, 895580), (315, 818816), (320, 806022), (336, 767640), (360, 716464), (384, 671685), (420, 614112), (448, 575730), (480, 537348), (504, 511760), (560, 460584), (576, 447790), (630, 409408), (640, 403011), (672, 383820), (720, 358232), (840, 307056), (896, 287865), (960, 268674), (1008, 255880), (1120, 230292), (1152, 223895), (1260, 204704), (1344, 191910), (1440, 179116), (1680, 153528), (1920, 134337), (2016, 127940), (2240, 115146), (2520, 102352), (2688, 95955), (2880, 89558), (3360, 76764), (4032, 63970), (4480, 57573), (5040, 51176), (5760, 44779), (6397, 40320), (6720, 38382), (8064, 31985), (10080, 25588), (12794, 20160), (13440, 19191)]