256727280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1069697}}^1$

素因数の和:1069713

約数の個数: 40

約数和(自身を含む): 795855312

約数和(自身を除く): 539128032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1069697, 2139394, 3209091, 4278788, 5348485, 6418182, 8557576, 10696970, 12836364, 16045455, 17115152, 21393940, 25672728, 32090910, 42787880, 51345456, 64181820, 85575760, 128363640, 256727280]

約数ペア:

[(1, 256727280), (2, 128363640), (3, 85575760), (4, 64181820), (5, 51345456), (6, 42787880), (8, 32090910), (10, 25672728), (12, 21393940), (15, 17115152), (16, 16045455), (20, 12836364), (24, 10696970), (30, 8557576), (40, 6418182), (48, 5348485), (60, 4278788), (80, 3209091), (120, 2139394), (240, 1069697)]