31051980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1033}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 94846752

約数和(自身を除く): 63794772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1033, 1503, 1670, 2004, 2066, 2505, 3006, 3099, 3340, 4132, 5010, 5165, 6012, 6198, 7515, 9297, 10020, 10330, 12396, 15030, 15495, 18594, 20660, 30060, 30990, 37188, 46485, 61980, 92970, 172511, 185940, 345022, 517533, 690044, 862555, 1035066, 1552599, 1725110, 2070132, 2587665, 3105198, 3450220, 5175330, 6210396, 7762995, 10350660, 15525990, 31051980]

約数ペア:

[(1, 31051980), (2, 15525990), (3, 10350660), (4, 7762995), (5, 6210396), (6, 5175330), (9, 3450220), (10, 3105198), (12, 2587665), (15, 2070132), (18, 1725110), (20, 1552599), (30, 1035066), (36, 862555), (45, 690044), (60, 517533), (90, 345022), (167, 185940), (180, 172511), (334, 92970), (501, 61980), (668, 46485), (835, 37188), (1002, 30990), (1033, 30060), (1503, 20660), (1670, 18594), (2004, 15495), (2066, 15030), (2505, 12396), (3006, 10330), (3099, 10020), (3340, 9297), (4132, 7515), (5010, 6198), (5165, 6012)]