297317120

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2261

約数の個数: 72

約数和(自身を含む): 719038320

約数和(自身を除く): 421721200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1744, 2131, 2180, 3488, 4262, 4360, 6976, 8524, 8720, 10655, 13952, 17048, 17440, 21310, 27904, 34096, 34880, 42620, 68192, 69760, 85240, 136384, 139520, 170480, 232279, 272768, 340960, 464558, 545536, 681920, 929116, 1161395, 1363840, 1858232, 2322790, 2727680, 3716464, 4645580, 7432928, 9291160, 14865856, 18582320, 29731712, 37164640, 59463424, 74329280, 148658560, 297317120]

約数ペア:

[(1, 297317120), (2, 148658560), (4, 74329280), (5, 59463424), (8, 37164640), (10, 29731712), (16, 18582320), (20, 14865856), (32, 9291160), (40, 7432928), (64, 4645580), (80, 3716464), (109, 2727680), (128, 2322790), (160, 1858232), (218, 1363840), (256, 1161395), (320, 929116), (436, 681920), (545, 545536), (640, 464558), (872, 340960), (1090, 272768), (1280, 232279), (1744, 170480), (2131, 139520), (2180, 136384), (3488, 85240), (4262, 69760), (4360, 68192), (6976, 42620), (8524, 34880), (8720, 34096), (10655, 27904), (13952, 21310), (17048, 17440)]