1921295280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8005397}}^1$

素因数の和:8005413

約数の個数: 40

約数和(自身を含む): 5956016112

約数和(自身を除く): 4034720832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8005397, 16010794, 24016191, 32021588, 40026985, 48032382, 64043176, 80053970, 96064764, 120080955, 128086352, 160107940, 192129528, 240161910, 320215880, 384259056, 480323820, 640431760, 960647640, 1921295280]

約数ペア:

[(1, 1921295280), (2, 960647640), (3, 640431760), (4, 480323820), (5, 384259056), (6, 320215880), (8, 240161910), (10, 192129528), (12, 160107940), (15, 128086352), (16, 120080955), (20, 96064764), (24, 80053970), (30, 64043176), (40, 48032382), (48, 40026985), (60, 32021588), (80, 24016191), (120, 16010794), (240, 8005397)]