64638120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538651}}^1$

素因数の和:538665

約数の個数: 32

約数和(自身を含む): 193914720

約数和(自身を除く): 129276600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538651, 1077302, 1615953, 2154604, 2693255, 3231906, 4309208, 5386510, 6463812, 8079765, 10773020, 12927624, 16159530, 21546040, 32319060, 64638120]

約数ペア:

[(1, 64638120), (2, 32319060), (3, 21546040), (4, 16159530), (5, 12927624), (6, 10773020), (8, 8079765), (10, 6463812), (12, 5386510), (15, 4309208), (20, 3231906), (24, 2693255), (30, 2154604), (40, 1615953), (60, 1077302), (120, 538651)]