31020660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15667}}^1$

素因数の和:15693

約数の個数: 72

約数和(自身を含む): 102656736

約数和(自身を除く): 71636076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15667, 31334, 47001, 62668, 78335, 94002, 141003, 156670, 172337, 188004, 235005, 282006, 313340, 344674, 470010, 517011, 564012, 689348, 705015, 861685, 940020, 1034022, 1410030, 1551033, 1723370, 2068044, 2585055, 2820060, 3102066, 3446740, 5170110, 6204132, 7755165, 10340220, 15510330, 31020660]

約数ペア:

[(1, 31020660), (2, 15510330), (3, 10340220), (4, 7755165), (5, 6204132), (6, 5170110), (9, 3446740), (10, 3102066), (11, 2820060), (12, 2585055), (15, 2068044), (18, 1723370), (20, 1551033), (22, 1410030), (30, 1034022), (33, 940020), (36, 861685), (44, 705015), (45, 689348), (55, 564012), (60, 517011), (66, 470010), (90, 344674), (99, 313340), (110, 282006), (132, 235005), (165, 188004), (180, 172337), (198, 156670), (220, 141003), (330, 94002), (396, 78335), (495, 62668), (660, 47001), (990, 31334), (1980, 15667)]