257857140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3167}}^1$

素因数の和:3261

約数の個数: 96

約数和(自身を含む): 766402560

約数和(自身を除く): 508545420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 59, 60, 69, 92, 115, 118, 138, 177, 230, 236, 276, 295, 345, 354, 460, 590, 690, 708, 885, 1180, 1357, 1380, 1770, 2714, 3167, 3540, 4071, 5428, 6334, 6785, 8142, 9501, 12668, 13570, 15835, 16284, 19002, 20355, 27140, 31670, 38004, 40710, 47505, 63340, 72841, 81420, 95010, 145682, 186853, 190020, 218523, 291364, 364205, 373706, 437046, 560559, 728410, 747412, 874092, 934265, 1092615, 1121118, 1456820, 1868530, 2185230, 2242236, 2802795, 3737060, 4297619, 4370460, 5605590, 8595238, 11211180, 12892857, 17190476, 21488095, 25785714, 42976190, 51571428, 64464285, 85952380, 128928570, 257857140]

約数ペア:

[(1, 257857140), (2, 128928570), (3, 85952380), (4, 64464285), (5, 51571428), (6, 42976190), (10, 25785714), (12, 21488095), (15, 17190476), (20, 12892857), (23, 11211180), (30, 8595238), (46, 5605590), (59, 4370460), (60, 4297619), (69, 3737060), (92, 2802795), (115, 2242236), (118, 2185230), (138, 1868530), (177, 1456820), (230, 1121118), (236, 1092615), (276, 934265), (295, 874092), (345, 747412), (354, 728410), (460, 560559), (590, 437046), (690, 373706), (708, 364205), (885, 291364), (1180, 218523), (1357, 190020), (1380, 186853), (1770, 145682), (2714, 95010), (3167, 81420), (3540, 72841), (4071, 63340), (5428, 47505), (6334, 40710), (6785, 38004), (8142, 31670), (9501, 27140), (12668, 20355), (13570, 19002), (15835, 16284)]