80802180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{757}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 245837592

約数和(自身を除く): 165035412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 593, 757, 1186, 1514, 1779, 2271, 2372, 2965, 3028, 3558, 3785, 4542, 5337, 5930, 6813, 7116, 7570, 8895, 9084, 10674, 11355, 11860, 13626, 15140, 17790, 21348, 22710, 26685, 27252, 34065, 35580, 45420, 53370, 68130, 106740, 136260, 448901, 897802, 1346703, 1795604, 2244505, 2693406, 4040109, 4489010, 5386812, 6733515, 8080218, 8978020, 13467030, 16160436, 20200545, 26934060, 40401090, 80802180]

約数ペア:

[(1, 80802180), (2, 40401090), (3, 26934060), (4, 20200545), (5, 16160436), (6, 13467030), (9, 8978020), (10, 8080218), (12, 6733515), (15, 5386812), (18, 4489010), (20, 4040109), (30, 2693406), (36, 2244505), (45, 1795604), (60, 1346703), (90, 897802), (180, 448901), (593, 136260), (757, 106740), (1186, 68130), (1514, 53370), (1779, 45420), (2271, 35580), (2372, 34065), (2965, 27252), (3028, 26685), (3558, 22710), (3785, 21348), (4542, 17790), (5337, 15140), (5930, 13626), (6813, 11860), (7116, 11355), (7570, 10674), (8895, 9084)]