27128220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64591}}^1$

素因数の和:64610

約数の個数: 48

約数和(自身を含む): 86811648

約数和(自身を除く): 59683428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64591, 129182, 193773, 258364, 322955, 387546, 452137, 645910, 775092, 904274, 968865, 1291820, 1356411, 1808548, 1937730, 2260685, 2712822, 3875460, 4521370, 5425644, 6782055, 9042740, 13564110, 27128220]

約数ペア:

[(1, 27128220), (2, 13564110), (3, 9042740), (4, 6782055), (5, 5425644), (6, 4521370), (7, 3875460), (10, 2712822), (12, 2260685), (14, 1937730), (15, 1808548), (20, 1356411), (21, 1291820), (28, 968865), (30, 904274), (35, 775092), (42, 645910), (60, 452137), (70, 387546), (84, 322955), (105, 258364), (140, 193773), (210, 129182), (420, 64591)]