81543720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679531}}^1$

素因数の和:679545

約数の個数: 32

約数和(自身を含む): 244631520

約数和(自身を除く): 163087800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679531, 1359062, 2038593, 2718124, 3397655, 4077186, 5436248, 6795310, 8154372, 10192965, 13590620, 16308744, 20385930, 27181240, 40771860, 81543720]

約数ペア:

[(1, 81543720), (2, 40771860), (3, 27181240), (4, 20385930), (5, 16308744), (6, 13590620), (8, 10192965), (10, 8154372), (12, 6795310), (15, 5436248), (20, 4077186), (24, 3397655), (30, 2718124), (40, 2038593), (60, 1359062), (120, 679531)]