81954480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{341477}}^1$

素因数の和:341493

約数の個数: 40

約数和(自身を含む): 254059632

約数和(自身を除く): 172105152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 341477, 682954, 1024431, 1365908, 1707385, 2048862, 2731816, 3414770, 4097724, 5122155, 5463632, 6829540, 8195448, 10244310, 13659080, 16390896, 20488620, 27318160, 40977240, 81954480]

約数ペア:

[(1, 81954480), (2, 40977240), (3, 27318160), (4, 20488620), (5, 16390896), (6, 13659080), (8, 10244310), (10, 8195448), (12, 6829540), (15, 5463632), (16, 5122155), (20, 4097724), (24, 3414770), (30, 2731816), (40, 2048862), (48, 1707385), (60, 1365908), (80, 1024431), (120, 682954), (240, 341477)]