257109552

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 280

約数和(自身を含む): 884752896

約数和(自身を除く): 627643344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 54, 56, 63, 67, 72, 81, 84, 94, 108, 112, 126, 134, 141, 144, 162, 168, 188, 189, 201, 216, 243, 252, 268, 282, 324, 329, 336, 376, 378, 402, 423, 432, 469, 486, 504, 536, 564, 567, 603, 648, 658, 729, 752, 756, 804, 846, 938, 972, 987, 1008, 1072, 1128, 1134, 1206, 1269, 1296, 1316, 1407, 1458, 1512, 1608, 1692, 1701, 1809, 1876, 1944, 1974, 2256, 2268, 2412, 2538, 2632, 2814, 2916, 2961, 3024, 3149, 3216, 3384, 3402, 3618, 3752, 3807, 3888, 3948, 4221, 4536, 4824, 5076, 5103, 5264, 5427, 5628, 5832, 5922, 6298, 6768, 6804, 7236, 7504, 7614, 7896, 8442, 8883, 9072, 9447, 9648, 10152, 10206, 10854, 11256, 11421, 11664, 11844, 12596, 12663, 13608, 14472, 15228, 15792, 16281, 16884, 17766, 18894, 20304, 20412, 21708, 22043, 22512, 22842, 23688, 25192, 25326, 26649, 27216, 28341, 28944, 30456, 32562, 33768, 34263, 35532, 37788, 37989, 40824, 43416, 44086, 45684, 47376, 48843, 50384, 50652, 53298, 56682, 60912, 65124, 66129, 67536, 68526, 71064, 75576, 75978, 79947, 81648, 85023, 86832, 88172, 91368, 97686, 101304, 106596, 113364, 113967, 130248, 132258, 137052, 142128, 151152, 151956, 159894, 170046, 176344, 182736, 195372, 198387, 202608, 213192, 226728, 227934, 239841, 255069, 260496, 264516, 274104, 303912, 319788, 340092, 341901, 352688, 390744, 396774, 426384, 453456, 455868, 479682, 510138, 529032, 548208, 595161, 607824, 639576, 680184, 683802, 765207, 781488, 793548, 911736, 959364, 1020276, 1058064, 1190322, 1279152, 1360368, 1367604, 1530414, 1587096, 1785483, 1823472, 1918728, 2040552, 2295621, 2380644, 2735208, 3060828, 3174192, 3570966, 3837456, 4081104, 4591242, 4761288, 5356449, 5470416, 6121656, 7141932, 9182484, 9522576, 10712898, 12243312, 14283864, 16069347, 18364968, 21425796, 28567728, 32138694, 36729936, 42851592, 64277388, 85703184, 128554776, 257109552]

約数ペア:

[(1, 257109552), (2, 128554776), (3, 85703184), (4, 64277388), (6, 42851592), (7, 36729936), (8, 32138694), (9, 28567728), (12, 21425796), (14, 18364968), (16, 16069347), (18, 14283864), (21, 12243312), (24, 10712898), (27, 9522576), (28, 9182484), (36, 7141932), (42, 6121656), (47, 5470416), (48, 5356449), (54, 4761288), (56, 4591242), (63, 4081104), (67, 3837456), (72, 3570966), (81, 3174192), (84, 3060828), (94, 2735208), (108, 2380644), (112, 2295621), (126, 2040552), (134, 1918728), (141, 1823472), (144, 1785483), (162, 1587096), (168, 1530414), (188, 1367604), (189, 1360368), (201, 1279152), (216, 1190322), (243, 1058064), (252, 1020276), (268, 959364), (282, 911736), (324, 793548), (329, 781488), (336, 765207), (376, 683802), (378, 680184), (402, 639576), (423, 607824), (432, 595161), (469, 548208), (486, 529032), (504, 510138), (536, 479682), (564, 455868), (567, 453456), (603, 426384), (648, 396774), (658, 390744), (729, 352688), (752, 341901), (756, 340092), (804, 319788), (846, 303912), (938, 274104), (972, 264516), (987, 260496), (1008, 255069), (1072, 239841), (1128, 227934), (1134, 226728), (1206, 213192), (1269, 202608), (1296, 198387), (1316, 195372), (1407, 182736), (1458, 176344), (1512, 170046), (1608, 159894), (1692, 151956), (1701, 151152), (1809, 142128), (1876, 137052), (1944, 132258), (1974, 130248), (2256, 113967), (2268, 113364), (2412, 106596), (2538, 101304), (2632, 97686), (2814, 91368), (2916, 88172), (2961, 86832), (3024, 85023), (3149, 81648), (3216, 79947), (3384, 75978), (3402, 75576), (3618, 71064), (3752, 68526), (3807, 67536), (3888, 66129), (3948, 65124), (4221, 60912), (4536, 56682), (4824, 53298), (5076, 50652), (5103, 50384), (5264, 48843), (5427, 47376), (5628, 45684), (5832, 44086), (5922, 43416), (6298, 40824), (6768, 37989), (6804, 37788), (7236, 35532), (7504, 34263), (7614, 33768), (7896, 32562), (8442, 30456), (8883, 28944), (9072, 28341), (9447, 27216), (9648, 26649), (10152, 25326), (10206, 25192), (10854, 23688), (11256, 22842), (11421, 22512), (11664, 22043), (11844, 21708), (12596, 20412), (12663, 20304), (13608, 18894), (14472, 17766), (15228, 16884), (15792, 16281)]