640350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{1423}}^1$

素因数の和:1441

約数の個数: 36

約数和(自身を含む): 1721616

約数和(自身を除く): 1081266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 1423, 2846, 4269, 7115, 8538, 12807, 14230, 21345, 25614, 35575, 42690, 64035, 71150, 106725, 128070, 213450, 320175, 640350]

約数ペア:

[(1, 640350), (2, 320175), (3, 213450), (5, 128070), (6, 106725), (9, 71150), (10, 64035), (15, 42690), (18, 35575), (25, 25614), (30, 21345), (45, 14230), (50, 12807), (75, 8538), (90, 7115), (150, 4269), (225, 2846), (450, 1423)]