81079920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37537}}^1$

素因数の和:37559

約数の個数: 80

約数和(自身を含む): 279282720

約数和(自身を除く): 198202800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37537, 75074, 112611, 150148, 187685, 225222, 300296, 337833, 375370, 450444, 563055, 600592, 675666, 750740, 900888, 1013499, 1126110, 1351332, 1501480, 1689165, 1801776, 2026998, 2252220, 2702664, 3002960, 3378330, 4053996, 4504440, 5067495, 5405328, 6756660, 8107992, 9008880, 10134990, 13513320, 16215984, 20269980, 27026640, 40539960, 81079920]

約数ペア:

[(1, 81079920), (2, 40539960), (3, 27026640), (4, 20269980), (5, 16215984), (6, 13513320), (8, 10134990), (9, 9008880), (10, 8107992), (12, 6756660), (15, 5405328), (16, 5067495), (18, 4504440), (20, 4053996), (24, 3378330), (27, 3002960), (30, 2702664), (36, 2252220), (40, 2026998), (45, 1801776), (48, 1689165), (54, 1501480), (60, 1351332), (72, 1126110), (80, 1013499), (90, 900888), (108, 750740), (120, 675666), (135, 600592), (144, 563055), (180, 450444), (216, 375370), (240, 337833), (270, 300296), (360, 225222), (432, 187685), (540, 150148), (720, 112611), (1080, 75074), (2160, 37537)]