12939120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17971}}^1$

素因数の和:17990

約数の個数: 60

約数和(自身を含む): 43456296

約数和(自身を除く): 30517176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 17971, 35942, 53913, 71884, 89855, 107826, 143768, 161739, 179710, 215652, 269565, 287536, 323478, 359420, 431304, 539130, 646956, 718840, 808695, 862608, 1078260, 1293912, 1437680, 1617390, 2156520, 2587824, 3234780, 4313040, 6469560, 12939120]

約数ペア:

[(1, 12939120), (2, 6469560), (3, 4313040), (4, 3234780), (5, 2587824), (6, 2156520), (8, 1617390), (9, 1437680), (10, 1293912), (12, 1078260), (15, 862608), (16, 808695), (18, 718840), (20, 646956), (24, 539130), (30, 431304), (36, 359420), (40, 323478), (45, 287536), (48, 269565), (60, 215652), (72, 179710), (80, 161739), (90, 143768), (120, 107826), (144, 89855), (180, 71884), (240, 53913), (360, 35942), (720, 17971)]