1781112120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{5689}}^1$

素因数の和:8312

約数の個数: 64

約数和(自身を含む): 5346324000

約数和(自身を除く): 3565211880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2609, 5218, 5689, 7827, 10436, 11378, 13045, 15654, 17067, 20872, 22756, 26090, 28445, 31308, 34134, 39135, 45512, 52180, 56890, 62616, 68268, 78270, 85335, 104360, 113780, 136536, 156540, 170670, 227560, 313080, 341340, 682680, 14842601, 29685202, 44527803, 59370404, 74213005, 89055606, 118740808, 148426010, 178111212, 222639015, 296852020, 356222424, 445278030, 593704040, 890556060, 1781112120]

約数ペア:

[(1, 1781112120), (2, 890556060), (3, 593704040), (4, 445278030), (5, 356222424), (6, 296852020), (8, 222639015), (10, 178111212), (12, 148426010), (15, 118740808), (20, 89055606), (24, 74213005), (30, 59370404), (40, 44527803), (60, 29685202), (120, 14842601), (2609, 682680), (5218, 341340), (5689, 313080), (7827, 227560), (10436, 170670), (11378, 156540), (13045, 136536), (15654, 113780), (17067, 104360), (20872, 85335), (22756, 78270), (26090, 68268), (28445, 62616), (31308, 56890), (34134, 52180), (39135, 45512)]