6931980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 23783760

約数和(自身を除く): 16851780

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, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 389, 396, 405, 495, 540, 594, 660, 778, 810, 891, 990, 1167, 1188, 1485, 1556, 1620, 1782, 1945, 1980, 2334, 2970, 3501, 3564, 3890, 4279, 4455, 4668, 5835, 5940, 7002, 7780, 8558, 8910, 10503, 11670, 12837, 14004, 17116, 17505, 17820, 21006, 21395, 23340, 25674, 31509, 35010, 38511, 42012, 42790, 51348, 52515, 63018, 64185, 70020, 77022, 85580, 105030, 115533, 126036, 128370, 154044, 157545, 192555, 210060, 231066, 256740, 315090, 346599, 385110, 462132, 577665, 630180, 693198, 770220, 1155330, 1386396, 1732995, 2310660, 3465990, 6931980]

約数ペア:

[(1, 6931980), (2, 3465990), (3, 2310660), (4, 1732995), (5, 1386396), (6, 1155330), (9, 770220), (10, 693198), (11, 630180), (12, 577665), (15, 462132), (18, 385110), (20, 346599), (22, 315090), (27, 256740), (30, 231066), (33, 210060), (36, 192555), (44, 157545), (45, 154044), (54, 128370), (55, 126036), (60, 115533), (66, 105030), (81, 85580), (90, 77022), (99, 70020), (108, 64185), (110, 63018), (132, 52515), (135, 51348), (162, 42790), (165, 42012), (180, 38511), (198, 35010), (220, 31509), (270, 25674), (297, 23340), (324, 21395), (330, 21006), (389, 17820), (396, 17505), (405, 17116), (495, 14004), (540, 12837), (594, 11670), (660, 10503), (778, 8910), (810, 8558), (891, 7780), (990, 7002), (1167, 5940), (1188, 5835), (1485, 4668), (1556, 4455), (1620, 4279), (1782, 3890), (1945, 3564), (1980, 3501), (2334, 2970)]