80969580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3019}}^1$

素因数の和:3183

約数の個数: 72

約数和(自身を含む): 247338000

約数和(自身を除く): 166368420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3019, 4470, 5364, 6038, 6705, 8940, 9057, 12076, 13410, 15095, 18114, 26820, 27171, 30190, 36228, 45285, 54342, 60380, 90570, 108684, 135855, 181140, 271710, 449831, 543420, 899662, 1349493, 1799324, 2249155, 2698986, 4048479, 4498310, 5397972, 6747465, 8096958, 8996620, 13494930, 16193916, 20242395, 26989860, 40484790, 80969580]

約数ペア:

[(1, 80969580), (2, 40484790), (3, 26989860), (4, 20242395), (5, 16193916), (6, 13494930), (9, 8996620), (10, 8096958), (12, 6747465), (15, 5397972), (18, 4498310), (20, 4048479), (30, 2698986), (36, 2249155), (45, 1799324), (60, 1349493), (90, 899662), (149, 543420), (180, 449831), (298, 271710), (447, 181140), (596, 135855), (745, 108684), (894, 90570), (1341, 60380), (1490, 54342), (1788, 45285), (2235, 36228), (2682, 30190), (2980, 27171), (3019, 26820), (4470, 18114), (5364, 15095), (6038, 13410), (6705, 12076), (8940, 9057)]