80945100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89939}}^1$

素因数の和:89959

約数の個数: 54

約数和(自身を含む): 253720740

約数和(自身を除く): 172775640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 89939, 179878, 269817, 359756, 449695, 539634, 809451, 899390, 1079268, 1349085, 1618902, 1798780, 2248475, 2698170, 3237804, 4047255, 4496950, 5396340, 6745425, 8094510, 8993900, 13490850, 16189020, 20236275, 26981700, 40472550, 80945100]

約数ペア:

[(1, 80945100), (2, 40472550), (3, 26981700), (4, 20236275), (5, 16189020), (6, 13490850), (9, 8993900), (10, 8094510), (12, 6745425), (15, 5396340), (18, 4496950), (20, 4047255), (25, 3237804), (30, 2698170), (36, 2248475), (45, 1798780), (50, 1618902), (60, 1349085), (75, 1079268), (90, 899390), (100, 809451), (150, 539634), (180, 449695), (225, 359756), (300, 269817), (450, 179878), (900, 89939)]