256717440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6367}}^1$

素因数の和:6399

約数の個数: 192

約数和(自身を含む): 1013276160

約数和(自身を除く): 756558720

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, 6367, 6720, 8064, 10080, 12734, 13440, 19101, 20160, 25468, 31835, 38202, 40320, 44569, 50936, 57303, 63670, 76404, 89138, 95505, 101872, 114606, 127340, 133707, 152808, 178276, 191010, 203744, 222845, 229212, 254680, 267414, 286515, 305616, 356552, 382020, 401121, 407488, 445690, 458424, 509360, 534828, 573030, 611232, 668535, 713104, 764040, 802242, 814976, 891380, 916848, 1018720, 1069656, 1146060, 1222464, 1337070, 1426208, 1528080, 1604484, 1782760, 1833696, 2005605, 2037440, 2139312, 2292120, 2444928, 2674140, 2852416, 3056160, 3208968, 3565520, 3667392, 4011210, 4074880, 4278624, 4584240, 5348280, 5704832, 6112320, 6417936, 7131040, 7334784, 8022420, 8557248, 9168480, 10696560, 12224640, 12835872, 14262080, 16044840, 17114496, 18336960, 21393120, 25671744, 28524160, 32089680, 36673920, 42786240, 51343488, 64179360, 85572480, 128358720, 256717440]

約数ペア:

[(1, 256717440), (2, 128358720), (3, 85572480), (4, 64179360), (5, 51343488), (6, 42786240), (7, 36673920), (8, 32089680), (9, 28524160), (10, 25671744), (12, 21393120), (14, 18336960), (15, 17114496), (16, 16044840), (18, 14262080), (20, 12835872), (21, 12224640), (24, 10696560), (28, 9168480), (30, 8557248), (32, 8022420), (35, 7334784), (36, 7131040), (40, 6417936), (42, 6112320), (45, 5704832), (48, 5348280), (56, 4584240), (60, 4278624), (63, 4074880), (64, 4011210), (70, 3667392), (72, 3565520), (80, 3208968), (84, 3056160), (90, 2852416), (96, 2674140), (105, 2444928), (112, 2292120), (120, 2139312), (126, 2037440), (128, 2005605), (140, 1833696), (144, 1782760), (160, 1604484), (168, 1528080), (180, 1426208), (192, 1337070), (210, 1222464), (224, 1146060), (240, 1069656), (252, 1018720), (280, 916848), (288, 891380), (315, 814976), (320, 802242), (336, 764040), (360, 713104), (384, 668535), (420, 611232), (448, 573030), (480, 534828), (504, 509360), (560, 458424), (576, 445690), (630, 407488), (640, 401121), (672, 382020), (720, 356552), (840, 305616), (896, 286515), (960, 267414), (1008, 254680), (1120, 229212), (1152, 222845), (1260, 203744), (1344, 191010), (1440, 178276), (1680, 152808), (1920, 133707), (2016, 127340), (2240, 114606), (2520, 101872), (2688, 95505), (2880, 89138), (3360, 76404), (4032, 63670), (4480, 57303), (5040, 50936), (5760, 44569), (6367, 40320), (6720, 38202), (8064, 31835), (10080, 25468), (12734, 20160), (13440, 19101)]