991980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 3386880

約数和(自身を除く): 2394900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 167, 180, 198, 220, 270, 297, 330, 334, 396, 495, 501, 540, 594, 660, 668, 835, 990, 1002, 1188, 1485, 1503, 1670, 1837, 1980, 2004, 2505, 2970, 3006, 3340, 3674, 4509, 5010, 5511, 5940, 6012, 7348, 7515, 9018, 9185, 10020, 11022, 15030, 16533, 18036, 18370, 22044, 22545, 27555, 30060, 33066, 36740, 45090, 49599, 55110, 66132, 82665, 90180, 99198, 110220, 165330, 198396, 247995, 330660, 495990, 991980]

約数ペア:

[(1, 991980), (2, 495990), (3, 330660), (4, 247995), (5, 198396), (6, 165330), (9, 110220), (10, 99198), (11, 90180), (12, 82665), (15, 66132), (18, 55110), (20, 49599), (22, 45090), (27, 36740), (30, 33066), (33, 30060), (36, 27555), (44, 22545), (45, 22044), (54, 18370), (55, 18036), (60, 16533), (66, 15030), (90, 11022), (99, 10020), (108, 9185), (110, 9018), (132, 7515), (135, 7348), (165, 6012), (167, 5940), (180, 5511), (198, 5010), (220, 4509), (270, 3674), (297, 3340), (330, 3006), (334, 2970), (396, 2505), (495, 2004), (501, 1980), (540, 1837), (594, 1670), (660, 1503), (668, 1485), (835, 1188), (990, 1002)]