255491712

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 256

約数和(自身を含む): 881280000

約数和(自身を除く): 625788288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 59, 63, 64, 72, 84, 96, 108, 112, 118, 126, 128, 144, 168, 177, 179, 189, 192, 216, 224, 236, 252, 288, 336, 354, 358, 378, 384, 413, 432, 448, 472, 504, 531, 537, 576, 672, 708, 716, 756, 826, 864, 896, 944, 1008, 1062, 1074, 1152, 1239, 1253, 1344, 1416, 1432, 1512, 1593, 1611, 1652, 1728, 1888, 2016, 2124, 2148, 2478, 2506, 2688, 2832, 2864, 3024, 3186, 3222, 3304, 3456, 3717, 3759, 3776, 4032, 4248, 4296, 4833, 4956, 5012, 5664, 5728, 6048, 6372, 6444, 6608, 7434, 7518, 7552, 8064, 8496, 8592, 9666, 9912, 10024, 10561, 11151, 11277, 11328, 11456, 12096, 12744, 12888, 13216, 14868, 15036, 16992, 17184, 19332, 19824, 20048, 21122, 22302, 22554, 22656, 22912, 24192, 25488, 25776, 26432, 29736, 30072, 31683, 33831, 33984, 34368, 38664, 39648, 40096, 42244, 44604, 45108, 50976, 51552, 52864, 59472, 60144, 63366, 67662, 67968, 68736, 73927, 77328, 79296, 80192, 84488, 89208, 90216, 95049, 101952, 103104, 118944, 120288, 126732, 135324, 147854, 154656, 158592, 160384, 168976, 178416, 180432, 190098, 203904, 206208, 221781, 237888, 240576, 253464, 270648, 285147, 295708, 309312, 337952, 356832, 360864, 380196, 443562, 475776, 481152, 506928, 541296, 570294, 591416, 618624, 665343, 675904, 713664, 721728, 760392, 887124, 1013856, 1082592, 1140588, 1182832, 1330686, 1351808, 1427328, 1443456, 1520784, 1774248, 1996029, 2027712, 2165184, 2281176, 2365664, 2661372, 3041568, 3548496, 3992058, 4055424, 4330368, 4562352, 4731328, 5322744, 6083136, 7096992, 7984116, 9124704, 9462656, 10645488, 12166272, 14193984, 15968232, 18249408, 21290976, 28387968, 31936464, 36498816, 42581952, 63872928, 85163904, 127745856, 255491712]

約数ペア:

[(1, 255491712), (2, 127745856), (3, 85163904), (4, 63872928), (6, 42581952), (7, 36498816), (8, 31936464), (9, 28387968), (12, 21290976), (14, 18249408), (16, 15968232), (18, 14193984), (21, 12166272), (24, 10645488), (27, 9462656), (28, 9124704), (32, 7984116), (36, 7096992), (42, 6083136), (48, 5322744), (54, 4731328), (56, 4562352), (59, 4330368), (63, 4055424), (64, 3992058), (72, 3548496), (84, 3041568), (96, 2661372), (108, 2365664), (112, 2281176), (118, 2165184), (126, 2027712), (128, 1996029), (144, 1774248), (168, 1520784), (177, 1443456), (179, 1427328), (189, 1351808), (192, 1330686), (216, 1182832), (224, 1140588), (236, 1082592), (252, 1013856), (288, 887124), (336, 760392), (354, 721728), (358, 713664), (378, 675904), (384, 665343), (413, 618624), (432, 591416), (448, 570294), (472, 541296), (504, 506928), (531, 481152), (537, 475776), (576, 443562), (672, 380196), (708, 360864), (716, 356832), (756, 337952), (826, 309312), (864, 295708), (896, 285147), (944, 270648), (1008, 253464), (1062, 240576), (1074, 237888), (1152, 221781), (1239, 206208), (1253, 203904), (1344, 190098), (1416, 180432), (1432, 178416), (1512, 168976), (1593, 160384), (1611, 158592), (1652, 154656), (1728, 147854), (1888, 135324), (2016, 126732), (2124, 120288), (2148, 118944), (2478, 103104), (2506, 101952), (2688, 95049), (2832, 90216), (2864, 89208), (3024, 84488), (3186, 80192), (3222, 79296), (3304, 77328), (3456, 73927), (3717, 68736), (3759, 67968), (3776, 67662), (4032, 63366), (4248, 60144), (4296, 59472), (4833, 52864), (4956, 51552), (5012, 50976), (5664, 45108), (5728, 44604), (6048, 42244), (6372, 40096), (6444, 39648), (6608, 38664), (7434, 34368), (7518, 33984), (7552, 33831), (8064, 31683), (8496, 30072), (8592, 29736), (9666, 26432), (9912, 25776), (10024, 25488), (10561, 24192), (11151, 22912), (11277, 22656), (11328, 22554), (11456, 22302), (12096, 21122), (12744, 20048), (12888, 19824), (13216, 19332), (14868, 17184), (15036, 16992)]