79980

素因数分解:

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

素因数の和:86

約数の個数: 48

約数和(自身を含む): 236544

約数和(自身を除く): 156564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 1290, 1333, 1860, 2580, 2666, 3999, 5332, 6665, 7998, 13330, 15996, 19995, 26660, 39990, 79980]

約数ペア:

[(1, 79980), (2, 39990), (3, 26660), (4, 19995), (5, 15996), (6, 13330), (10, 7998), (12, 6665), (15, 5332), (20, 3999), (30, 2666), (31, 2580), (43, 1860), (60, 1333), (62, 1290), (86, 930), (93, 860), (124, 645), (129, 620), (155, 516), (172, 465), (186, 430), (215, 372), (258, 310)]