239940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 768768

約数和(自身を除く): 528828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 1116, 1290, 1333, 1395, 1548, 1860, 1935, 2580, 2666, 2790, 3870, 3999, 5332, 5580, 6665, 7740, 7998, 11997, 13330, 15996, 19995, 23994, 26660, 39990, 47988, 59985, 79980, 119970, 239940]

約数ペア:

[(1, 239940), (2, 119970), (3, 79980), (4, 59985), (5, 47988), (6, 39990), (9, 26660), (10, 23994), (12, 19995), (15, 15996), (18, 13330), (20, 11997), (30, 7998), (31, 7740), (36, 6665), (43, 5580), (45, 5332), (60, 3999), (62, 3870), (86, 2790), (90, 2666), (93, 2580), (124, 1935), (129, 1860), (155, 1548), (172, 1395), (180, 1333), (186, 1290), (215, 1116), (258, 930), (279, 860), (310, 774), (372, 645), (387, 620), (430, 558), (465, 516)]