71781660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{132929}}^1$

素因数の和:132947

約数の個数: 48

約数和(自身を含む): 223322400

約数和(自身を除く): 151540740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 132929, 265858, 398787, 531716, 664645, 797574, 1196361, 1329290, 1595148, 1993935, 2392722, 2658580, 3589083, 3987870, 4785444, 5981805, 7178166, 7975740, 11963610, 14356332, 17945415, 23927220, 35890830, 71781660]

約数ペア:

[(1, 71781660), (2, 35890830), (3, 23927220), (4, 17945415), (5, 14356332), (6, 11963610), (9, 7975740), (10, 7178166), (12, 5981805), (15, 4785444), (18, 3987870), (20, 3589083), (27, 2658580), (30, 2392722), (36, 1993935), (45, 1595148), (54, 1329290), (60, 1196361), (90, 797574), (108, 664645), (135, 531716), (180, 398787), (270, 265858), (540, 132929)]