38779980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15031}}^1$

素因数の和:15086

約数の個数: 48

約数和(自身を含む): 111116544

約数和(自身を除く): 72336564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 15031, 30062, 45093, 60124, 75155, 90186, 150310, 180372, 225465, 300620, 450930, 646333, 901860, 1292666, 1938999, 2585332, 3231665, 3877998, 6463330, 7755996, 9694995, 12926660, 19389990, 38779980]

約数ペア:

[(1, 38779980), (2, 19389990), (3, 12926660), (4, 9694995), (5, 7755996), (6, 6463330), (10, 3877998), (12, 3231665), (15, 2585332), (20, 1938999), (30, 1292666), (43, 901860), (60, 646333), (86, 450930), (129, 300620), (172, 225465), (215, 180372), (258, 150310), (430, 90186), (516, 75155), (645, 60124), (860, 45093), (1290, 30062), (2580, 15031)]