308942720

素因数分解:

$2^7\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2003}}^1$

素因数の和:2263

約数の個数: 64

約数和(自身を含む): 742001040

約数和(自身を除く): 433058320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 320, 482, 640, 964, 1205, 1928, 2003, 2410, 3856, 4006, 4820, 7712, 8012, 9640, 10015, 15424, 16024, 19280, 20030, 30848, 32048, 38560, 40060, 64096, 77120, 80120, 128192, 154240, 160240, 256384, 320480, 482723, 640960, 965446, 1281920, 1930892, 2413615, 3861784, 4827230, 7723568, 9654460, 15447136, 19308920, 30894272, 38617840, 61788544, 77235680, 154471360, 308942720]

約数ペア:

[(1, 308942720), (2, 154471360), (4, 77235680), (5, 61788544), (8, 38617840), (10, 30894272), (16, 19308920), (20, 15447136), (32, 9654460), (40, 7723568), (64, 4827230), (80, 3861784), (128, 2413615), (160, 1930892), (241, 1281920), (320, 965446), (482, 640960), (640, 482723), (964, 320480), (1205, 256384), (1928, 160240), (2003, 154240), (2410, 128192), (3856, 80120), (4006, 77120), (4820, 64096), (7712, 40060), (8012, 38560), (9640, 32048), (10015, 30848), (15424, 20030), (16024, 19280)]