257575360

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{16427}}^1$

素因数の和:16458

約数の個数: 84

約数和(自身を含む): 713533752

約数和(自身を除く): 455958392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 16427, 32854, 65708, 82135, 114989, 131416, 164270, 229978, 262832, 328540, 459956, 525664, 574945, 657080, 804923, 919912, 1051328, 1149890, 1314160, 1609846, 1839824, 2299780, 2628320, 3219692, 3679648, 4024615, 4599560, 5256640, 6439384, 7359296, 8049230, 9199120, 12878768, 16098460, 18398240, 25757536, 32196920, 36796480, 51515072, 64393840, 128787680, 257575360]

約数ペア:

[(1, 257575360), (2, 128787680), (4, 64393840), (5, 51515072), (7, 36796480), (8, 32196920), (10, 25757536), (14, 18398240), (16, 16098460), (20, 12878768), (28, 9199120), (32, 8049230), (35, 7359296), (40, 6439384), (49, 5256640), (56, 4599560), (64, 4024615), (70, 3679648), (80, 3219692), (98, 2628320), (112, 2299780), (140, 1839824), (160, 1609846), (196, 1314160), (224, 1149890), (245, 1051328), (280, 919912), (320, 804923), (392, 657080), (448, 574945), (490, 525664), (560, 459956), (784, 328540), (980, 262832), (1120, 229978), (1568, 164270), (1960, 131416), (2240, 114989), (3136, 82135), (3920, 65708), (7840, 32854), (15680, 16427)]