30627280

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1231}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 71495424

約数和(自身を除く): 40868144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1231, 1244, 1555, 2462, 2488, 3110, 4924, 4976, 6155, 6220, 9848, 12310, 12440, 19696, 24620, 24880, 49240, 98480, 382841, 765682, 1531364, 1914205, 3062728, 3828410, 6125456, 7656820, 15313640, 30627280]

約数ペア:

[(1, 30627280), (2, 15313640), (4, 7656820), (5, 6125456), (8, 3828410), (10, 3062728), (16, 1914205), (20, 1531364), (40, 765682), (80, 382841), (311, 98480), (622, 49240), (1231, 24880), (1244, 24620), (1555, 19696), (2462, 12440), (2488, 12310), (3110, 9848), (4924, 6220), (4976, 6155)]