1921927080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{63809}}^1$

素因数の和:64074

約数の個数: 64

約数和(自身を含む): 5788843200

約数和(自身を除く): 3866916120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 15060, 30120, 63809, 127618, 191427, 255236, 319045, 382854, 510472, 638090, 765708, 957135, 1276180, 1531416, 1914270, 2552360, 3828540, 7657080, 16016059, 32032118, 48048177, 64064236, 80080295, 96096354, 128128472, 160160590, 192192708, 240240885, 320321180, 384385416, 480481770, 640642360, 960963540, 1921927080]

約数ペア:

[(1, 1921927080), (2, 960963540), (3, 640642360), (4, 480481770), (5, 384385416), (6, 320321180), (8, 240240885), (10, 192192708), (12, 160160590), (15, 128128472), (20, 96096354), (24, 80080295), (30, 64064236), (40, 48048177), (60, 32032118), (120, 16016059), (251, 7657080), (502, 3828540), (753, 2552360), (1004, 1914270), (1255, 1531416), (1506, 1276180), (2008, 957135), (2510, 765708), (3012, 638090), (3765, 510472), (5020, 382854), (6024, 319045), (7530, 255236), (10040, 191427), (15060, 127618), (30120, 63809)]