21570720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44939}}^1$

素因数の和:44957

約数の個数: 48

約数和(自身を含む): 67949280

約数和(自身を除く): 46378560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44939, 89878, 134817, 179756, 224695, 269634, 359512, 449390, 539268, 674085, 719024, 898780, 1078536, 1348170, 1438048, 1797560, 2157072, 2696340, 3595120, 4314144, 5392680, 7190240, 10785360, 21570720]

約数ペア:

[(1, 21570720), (2, 10785360), (3, 7190240), (4, 5392680), (5, 4314144), (6, 3595120), (8, 2696340), (10, 2157072), (12, 1797560), (15, 1438048), (16, 1348170), (20, 1078536), (24, 898780), (30, 719024), (32, 674085), (40, 539268), (48, 449390), (60, 359512), (80, 269634), (96, 224695), (120, 179756), (160, 134817), (240, 89878), (480, 44939)]