1378720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1231}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2346848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1231, 2462, 4924, 6155, 8617, 9848, 12310, 17234, 19696, 24620, 34468, 39392, 43085, 49240, 68936, 86170, 98480, 137872, 172340, 196960, 275744, 344680, 689360, 1378720]

約数ペア:

[(1, 1378720), (2, 689360), (4, 344680), (5, 275744), (7, 196960), (8, 172340), (10, 137872), (14, 98480), (16, 86170), (20, 68936), (28, 49240), (32, 43085), (35, 39392), (40, 34468), (56, 24620), (70, 19696), (80, 17234), (112, 12310), (140, 9848), (160, 8617), (224, 6155), (280, 4924), (560, 2462), (1120, 1231)]