67209860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 149140992

約数和(自身を除く): 81931132

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2521, 2666, 5042, 5332, 6665, 10084, 12605, 13330, 25210, 26660, 50420, 78151, 108403, 156302, 216806, 312604, 390755, 433612, 542015, 781510, 1084030, 1563020, 2168060, 3360493, 6720986, 13441972, 16802465, 33604930, 67209860]

約数ペア:

[(1, 67209860), (2, 33604930), (4, 16802465), (5, 13441972), (10, 6720986), (20, 3360493), (31, 2168060), (43, 1563020), (62, 1084030), (86, 781510), (124, 542015), (155, 433612), (172, 390755), (215, 312604), (310, 216806), (430, 156302), (620, 108403), (860, 78151), (1333, 50420), (2521, 26660), (2666, 25210), (5042, 13330), (5332, 12605), (6665, 10084)]