28515720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{237631}}^1$

素因数の和:237645

約数の個数: 32

約数和(自身を含む): 85547520

約数和(自身を除く): 57031800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 237631, 475262, 712893, 950524, 1188155, 1425786, 1901048, 2376310, 2851572, 3564465, 4752620, 5703144, 7128930, 9505240, 14257860, 28515720]

約数ペア:

[(1, 28515720), (2, 14257860), (3, 9505240), (4, 7128930), (5, 5703144), (6, 4752620), (8, 3564465), (10, 2851572), (12, 2376310), (15, 1901048), (20, 1425786), (24, 1188155), (30, 950524), (40, 712893), (60, 475262), (120, 237631)]