16540740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{30631}}^1$

素因数の和:30649

約数の個数: 48

約数和(自身を含む): 51461760

約数和(自身を除く): 34921020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 30631, 61262, 91893, 122524, 153155, 183786, 275679, 306310, 367572, 459465, 551358, 612620, 827037, 918930, 1102716, 1378395, 1654074, 1837860, 2756790, 3308148, 4135185, 5513580, 8270370, 16540740]

約数ペア:

[(1, 16540740), (2, 8270370), (3, 5513580), (4, 4135185), (5, 3308148), (6, 2756790), (9, 1837860), (10, 1654074), (12, 1378395), (15, 1102716), (18, 918930), (20, 827037), (27, 612620), (30, 551358), (36, 459465), (45, 367572), (54, 306310), (60, 275679), (90, 183786), (108, 153155), (135, 122524), (180, 91893), (270, 61262), (540, 30631)]