257061168

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 240

約数和(自身を含む): 914941440

約数和(自身を除く): 657880272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 169, 182, 189, 208, 216, 234, 252, 273, 312, 336, 338, 351, 364, 378, 432, 468, 503, 504, 507, 546, 624, 676, 702, 728, 756, 819, 936, 1006, 1008, 1014, 1092, 1183, 1352, 1404, 1456, 1509, 1512, 1521, 1638, 1872, 2012, 2028, 2184, 2366, 2457, 2704, 2808, 3018, 3024, 3042, 3276, 3521, 3549, 4024, 4056, 4368, 4527, 4563, 4732, 4914, 5616, 6036, 6084, 6539, 6552, 7042, 7098, 8048, 8112, 9054, 9126, 9464, 9828, 10563, 10647, 12072, 12168, 13078, 13104, 13581, 14084, 14196, 18108, 18252, 18928, 19617, 19656, 21126, 21294, 24144, 24336, 26156, 27162, 28168, 28392, 31689, 31941, 36216, 36504, 39234, 39312, 42252, 42588, 45773, 52312, 54324, 56336, 56784, 58851, 63378, 63882, 72432, 73008, 78468, 84504, 85007, 85176, 91546, 95067, 104624, 108648, 117702, 126756, 127764, 137319, 156936, 169008, 170014, 170352, 176553, 183092, 190134, 217296, 235404, 253512, 255021, 255528, 274638, 313872, 340028, 353106, 366184, 380268, 411957, 470808, 507024, 510042, 511056, 549276, 595049, 680056, 706212, 732368, 760536, 765063, 823914, 941616, 1020084, 1098552, 1190098, 1235871, 1360112, 1412424, 1521072, 1530126, 1647828, 1785147, 2040168, 2197104, 2295189, 2380196, 2471742, 2824848, 3060252, 3295656, 3570294, 4080336, 4590378, 4760392, 4943484, 5355441, 6120504, 6591312, 7140588, 9180756, 9520784, 9886968, 10710882, 12241008, 14281176, 16066323, 18361512, 19773936, 21421764, 28562352, 32132646, 36723024, 42843528, 64265292, 85687056, 128530584, 257061168]

約数ペア:

[(1, 257061168), (2, 128530584), (3, 85687056), (4, 64265292), (6, 42843528), (7, 36723024), (8, 32132646), (9, 28562352), (12, 21421764), (13, 19773936), (14, 18361512), (16, 16066323), (18, 14281176), (21, 12241008), (24, 10710882), (26, 9886968), (27, 9520784), (28, 9180756), (36, 7140588), (39, 6591312), (42, 6120504), (48, 5355441), (52, 4943484), (54, 4760392), (56, 4590378), (63, 4080336), (72, 3570294), (78, 3295656), (84, 3060252), (91, 2824848), (104, 2471742), (108, 2380196), (112, 2295189), (117, 2197104), (126, 2040168), (144, 1785147), (156, 1647828), (168, 1530126), (169, 1521072), (182, 1412424), (189, 1360112), (208, 1235871), (216, 1190098), (234, 1098552), (252, 1020084), (273, 941616), (312, 823914), (336, 765063), (338, 760536), (351, 732368), (364, 706212), (378, 680056), (432, 595049), (468, 549276), (503, 511056), (504, 510042), (507, 507024), (546, 470808), (624, 411957), (676, 380268), (702, 366184), (728, 353106), (756, 340028), (819, 313872), (936, 274638), (1006, 255528), (1008, 255021), (1014, 253512), (1092, 235404), (1183, 217296), (1352, 190134), (1404, 183092), (1456, 176553), (1509, 170352), (1512, 170014), (1521, 169008), (1638, 156936), (1872, 137319), (2012, 127764), (2028, 126756), (2184, 117702), (2366, 108648), (2457, 104624), (2704, 95067), (2808, 91546), (3018, 85176), (3024, 85007), (3042, 84504), (3276, 78468), (3521, 73008), (3549, 72432), (4024, 63882), (4056, 63378), (4368, 58851), (4527, 56784), (4563, 56336), (4732, 54324), (4914, 52312), (5616, 45773), (6036, 42588), (6084, 42252), (6539, 39312), (6552, 39234), (7042, 36504), (7098, 36216), (8048, 31941), (8112, 31689), (9054, 28392), (9126, 28168), (9464, 27162), (9828, 26156), (10563, 24336), (10647, 24144), (12072, 21294), (12168, 21126), (13078, 19656), (13104, 19617), (13581, 18928), (14084, 18252), (14196, 18108)]