81764520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681371}}^1$

素因数の和:681385

約数の個数: 32

約数和(自身を含む): 245293920

約数和(自身を除く): 163529400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681371, 1362742, 2044113, 2725484, 3406855, 4088226, 5450968, 6813710, 8176452, 10220565, 13627420, 16352904, 20441130, 27254840, 40882260, 81764520]

約数ペア:

[(1, 81764520), (2, 40882260), (3, 27254840), (4, 20441130), (5, 16352904), (6, 13627420), (8, 10220565), (10, 8176452), (12, 6813710), (15, 5450968), (20, 4088226), (24, 3406855), (30, 2725484), (40, 2044113), (60, 1362742), (120, 681371)]