257827584

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 791436800

約数和(自身を除く): 533609216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 199, 224, 241, 256, 336, 384, 398, 448, 482, 597, 672, 723, 768, 796, 896, 964, 1194, 1344, 1393, 1446, 1592, 1687, 1792, 1928, 2388, 2688, 2786, 2892, 3184, 3374, 3856, 4179, 4776, 5061, 5376, 5572, 5784, 6368, 6748, 7712, 8358, 9552, 10122, 11144, 11568, 12736, 13496, 15424, 16716, 19104, 20244, 22288, 23136, 25472, 26992, 30848, 33432, 38208, 40488, 44576, 46272, 47959, 50944, 53984, 61696, 66864, 76416, 80976, 89152, 92544, 95918, 107968, 133728, 143877, 152832, 161952, 178304, 185088, 191836, 215936, 267456, 287754, 323904, 335713, 356608, 383672, 431872, 534912, 575508, 647808, 671426, 767344, 1007139, 1069824, 1151016, 1295616, 1342852, 1534688, 2014278, 2302032, 2685704, 3069376, 4028556, 4604064, 5371408, 6138752, 8057112, 9208128, 10742816, 12277504, 16114224, 18416256, 21485632, 32228448, 36832512, 42971264, 64456896, 85942528, 128913792, 257827584]

約数ペア:

[(1, 257827584), (2, 128913792), (3, 85942528), (4, 64456896), (6, 42971264), (7, 36832512), (8, 32228448), (12, 21485632), (14, 18416256), (16, 16114224), (21, 12277504), (24, 10742816), (28, 9208128), (32, 8057112), (42, 6138752), (48, 5371408), (56, 4604064), (64, 4028556), (84, 3069376), (96, 2685704), (112, 2302032), (128, 2014278), (168, 1534688), (192, 1342852), (199, 1295616), (224, 1151016), (241, 1069824), (256, 1007139), (336, 767344), (384, 671426), (398, 647808), (448, 575508), (482, 534912), (597, 431872), (672, 383672), (723, 356608), (768, 335713), (796, 323904), (896, 287754), (964, 267456), (1194, 215936), (1344, 191836), (1393, 185088), (1446, 178304), (1592, 161952), (1687, 152832), (1792, 143877), (1928, 133728), (2388, 107968), (2688, 95918), (2786, 92544), (2892, 89152), (3184, 80976), (3374, 76416), (3856, 66864), (4179, 61696), (4776, 53984), (5061, 50944), (5376, 47959), (5572, 46272), (5784, 44576), (6368, 40488), (6748, 38208), (7712, 33432), (8358, 30848), (9552, 26992), (10122, 25472), (11144, 23136), (11568, 22288), (12736, 20244), (13496, 19104), (15424, 16716)]