128509360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{32783}}^1$

素因数の和:32810

約数の個数: 60

約数和(自身を含む): 347575968

約数和(自身を除く): 219066608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 32783, 65566, 131132, 163915, 229481, 262264, 327830, 458962, 524528, 655660, 917924, 1147405, 1311320, 1606367, 1835848, 2294810, 2622640, 3212734, 3671696, 4589620, 6425468, 8031835, 9179240, 12850936, 16063670, 18358480, 25701872, 32127340, 64254680, 128509360]

約数ペア:

[(1, 128509360), (2, 64254680), (4, 32127340), (5, 25701872), (7, 18358480), (8, 16063670), (10, 12850936), (14, 9179240), (16, 8031835), (20, 6425468), (28, 4589620), (35, 3671696), (40, 3212734), (49, 2622640), (56, 2294810), (70, 1835848), (80, 1606367), (98, 1311320), (112, 1147405), (140, 917924), (196, 655660), (245, 524528), (280, 458962), (392, 327830), (490, 262264), (560, 229481), (784, 163915), (980, 131132), (1960, 65566), (3920, 32783)]