81979651.000000000

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{419057}}^1$

素因数の和:419076

約数の個数: 60

約数和(自身を含む): 1013282244

約数和(自身を除く): 711561204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 419057, 838114, 1257171, 1676228, 2095285, 2514342, 3352456, 3771513, 4190570, 5028684, 6285855, 6704912, 7543026, 8381140, 10057368, 12571710, 15086052, 16762280, 18857565, 20114736, 25143420, 30172104, 33524560, 37715130, 50286840, 60344208, 75430260, 100573680, 150860520, 301721040]

約数ペア:

[(1, 301721040), (2, 150860520), (3, 100573680), (4, 75430260), (5, 60344208), (6, 50286840), (8, 37715130), (9, 33524560), (10, 30172104), (12, 25143420), (15, 20114736), (16, 18857565), (18, 16762280), (20, 15086052), (24, 12571710), (30, 10057368), (36, 8381140), (40, 7543026), (45, 6704912), (48, 6285855), (60, 5028684), (72, 4190570), (80, 3771513), (90, 3352456), (120, 2514342), (144, 2095285), (180, 1676228), (240, 1257171), (360, 838114), (720, 419057)]