2640720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11003}}^1$

素因数の和:11019

約数の個数: 40

約数和(自身を含む): 8186976

約数和(自身を除く): 5546256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 11003, 22006, 33009, 44012, 55015, 66018, 88024, 110030, 132036, 165045, 176048, 220060, 264072, 330090, 440120, 528144, 660180, 880240, 1320360, 2640720]

約数ペア:

[(1, 2640720), (2, 1320360), (3, 880240), (4, 660180), (5, 528144), (6, 440120), (8, 330090), (10, 264072), (12, 220060), (15, 176048), (16, 165045), (20, 132036), (24, 110030), (30, 88024), (40, 66018), (48, 55015), (60, 44012), (80, 33009), (120, 22006), (240, 11003)]