164507840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{271}}^2$

素因数の和:566

約数の個数: 84

約数和(自身を含む): 449354448

約数和(自身を除く): 284846608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 271, 280, 320, 448, 542, 560, 1084, 1120, 1355, 1897, 2168, 2240, 2710, 3794, 4336, 5420, 7588, 8672, 9485, 10840, 15176, 17344, 18970, 21680, 30352, 37940, 43360, 60704, 73441, 75880, 86720, 121408, 146882, 151760, 293764, 303520, 367205, 514087, 587528, 607040, 734410, 1028174, 1175056, 1468820, 2056348, 2350112, 2570435, 2937640, 4112696, 4700224, 5140870, 5875280, 8225392, 10281740, 11750560, 16450784, 20563480, 23501120, 32901568, 41126960, 82253920, 164507840]

約数ペア:

[(1, 164507840), (2, 82253920), (4, 41126960), (5, 32901568), (7, 23501120), (8, 20563480), (10, 16450784), (14, 11750560), (16, 10281740), (20, 8225392), (28, 5875280), (32, 5140870), (35, 4700224), (40, 4112696), (56, 2937640), (64, 2570435), (70, 2350112), (80, 2056348), (112, 1468820), (140, 1175056), (160, 1028174), (224, 734410), (271, 607040), (280, 587528), (320, 514087), (448, 367205), (542, 303520), (560, 293764), (1084, 151760), (1120, 146882), (1355, 121408), (1897, 86720), (2168, 75880), (2240, 73441), (2710, 60704), (3794, 43360), (4336, 37940), (5420, 30352), (7588, 21680), (8672, 18970), (9485, 17344), (10840, 15176)]