64558920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{537991}}^1$

素因数の和:538005

約数の個数: 32

約数和(自身を含む): 193677120

約数和(自身を除く): 129118200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 537991, 1075982, 1613973, 2151964, 2689955, 3227946, 4303928, 5379910, 6455892, 8069865, 10759820, 12911784, 16139730, 21519640, 32279460, 64558920]

約数ペア:

[(1, 64558920), (2, 32279460), (3, 21519640), (4, 16139730), (5, 12911784), (6, 10759820), (8, 8069865), (10, 6455892), (12, 5379910), (15, 4303928), (20, 3227946), (24, 2689955), (30, 2151964), (40, 1613973), (60, 1075982), (120, 537991)]