853980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 2454144

約数和(自身を除く): 1600164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 331, 430, 516, 645, 662, 860, 993, 1290, 1324, 1655, 1986, 2580, 3310, 3972, 4965, 6620, 9930, 14233, 19860, 28466, 42699, 56932, 71165, 85398, 142330, 170796, 213495, 284660, 426990, 853980]

約数ペア:

[(1, 853980), (2, 426990), (3, 284660), (4, 213495), (5, 170796), (6, 142330), (10, 85398), (12, 71165), (15, 56932), (20, 42699), (30, 28466), (43, 19860), (60, 14233), (86, 9930), (129, 6620), (172, 4965), (215, 3972), (258, 3310), (331, 2580), (430, 1986), (516, 1655), (645, 1324), (662, 1290), (860, 993)]