80520120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223667}}^1$

素因数の和:223684

約数の個数: 48

約数和(自身を含む): 261691560

約数和(自身を除く): 181171440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 223667, 447334, 671001, 894668, 1118335, 1342002, 1789336, 2013003, 2236670, 2684004, 3355005, 4026006, 4473340, 5368008, 6710010, 8052012, 8946680, 10065015, 13420020, 16104024, 20130030, 26840040, 40260060, 80520120]

約数ペア:

[(1, 80520120), (2, 40260060), (3, 26840040), (4, 20130030), (5, 16104024), (6, 13420020), (8, 10065015), (9, 8946680), (10, 8052012), (12, 6710010), (15, 5368008), (18, 4473340), (20, 4026006), (24, 3355005), (30, 2684004), (36, 2236670), (40, 2013003), (45, 1789336), (60, 1342002), (72, 1118335), (90, 894668), (120, 671001), (180, 447334), (360, 223667)]