640368

素因数分解:

$2^4\times 3^2\times {\mathrm{4447}}^1$

素因数の和:4461

約数の個数: 30

約数和(自身を含む): 1792544

約数和(自身を除く): 1152176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4447, 8894, 13341, 17788, 26682, 35576, 40023, 53364, 71152, 80046, 106728, 160092, 213456, 320184, 640368]

約数ペア:

[(1, 640368), (2, 320184), (3, 213456), (4, 160092), (6, 106728), (8, 80046), (9, 71152), (12, 53364), (16, 40023), (18, 35576), (24, 26682), (36, 17788), (48, 13341), (72, 8894), (144, 4447)]