257584656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3181}}^1$

素因数の和:3440

約数の個数: 80

約数和(自身を含む): 763883648

約数和(自身を除く): 506298992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 241, 336, 482, 723, 964, 1446, 1687, 1928, 2892, 3181, 3374, 3856, 5061, 5784, 6362, 6748, 9543, 10122, 11568, 12724, 13496, 19086, 20244, 22267, 25448, 26992, 38172, 40488, 44534, 50896, 66801, 76344, 80976, 89068, 133602, 152688, 178136, 267204, 356272, 534408, 766621, 1068816, 1533242, 2299863, 3066484, 4599726, 5366347, 6132968, 9199452, 10732694, 12265936, 16099041, 18398904, 21465388, 32198082, 36797808, 42930776, 64396164, 85861552, 128792328, 257584656]

約数ペア:

[(1, 257584656), (2, 128792328), (3, 85861552), (4, 64396164), (6, 42930776), (7, 36797808), (8, 32198082), (12, 21465388), (14, 18398904), (16, 16099041), (21, 12265936), (24, 10732694), (28, 9199452), (42, 6132968), (48, 5366347), (56, 4599726), (84, 3066484), (112, 2299863), (168, 1533242), (241, 1068816), (336, 766621), (482, 534408), (723, 356272), (964, 267204), (1446, 178136), (1687, 152688), (1928, 133602), (2892, 89068), (3181, 80976), (3374, 76344), (3856, 66801), (5061, 50896), (5784, 44534), (6362, 40488), (6748, 38172), (9543, 26992), (10122, 25448), (11568, 22267), (12724, 20244), (13496, 19086)]