81449174.000000000

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{470081}}^1$

素因数の和:470098

約数の個数: 48

約数和(自身を含む): 549995940

約数和(自身を除く): 380766780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 470081, 940162, 1410243, 1880324, 2350405, 2820486, 3760648, 4230729, 4700810, 5640972, 7051215, 8461458, 9401620, 11281944, 14102430, 16922916, 18803240, 21153645, 28204860, 33845832, 42307290, 56409720, 84614580, 169229160]

約数ペア:

[(1, 169229160), (2, 84614580), (3, 56409720), (4, 42307290), (5, 33845832), (6, 28204860), (8, 21153645), (9, 18803240), (10, 16922916), (12, 14102430), (15, 11281944), (18, 9401620), (20, 8461458), (24, 7051215), (30, 5640972), (36, 4700810), (40, 4230729), (45, 3760648), (60, 2820486), (72, 2350405), (90, 1880324), (120, 1410243), (180, 940162), (360, 470081)]