218451720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1820431}}^1$

素因数の和:1820445

約数の個数: 32

約数和(自身を含む): 655355520

約数和(自身を除く): 436903800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1820431, 3640862, 5461293, 7281724, 9102155, 10922586, 14563448, 18204310, 21845172, 27306465, 36408620, 43690344, 54612930, 72817240, 109225860, 218451720]

約数ペア:

[(1, 218451720), (2, 109225860), (3, 72817240), (4, 54612930), (5, 43690344), (6, 36408620), (8, 27306465), (10, 21845172), (12, 18204310), (15, 14563448), (20, 10922586), (24, 9102155), (30, 7281724), (40, 5461293), (60, 3640862), (120, 1820431)]