80361990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{811}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 215147520

約数和(自身を除く): 134785530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 367, 734, 811, 1101, 1622, 1835, 2202, 2433, 3303, 3670, 4055, 4866, 5505, 6606, 7299, 8110, 9909, 11010, 12165, 14598, 16515, 19818, 21897, 24330, 33030, 36495, 43794, 49545, 72990, 99090, 109485, 218970, 297637, 595274, 892911, 1488185, 1785822, 2678733, 2976370, 4464555, 5357466, 8036199, 8929110, 13393665, 16072398, 26787330, 40180995, 80361990]

約数ペア:

[(1, 80361990), (2, 40180995), (3, 26787330), (5, 16072398), (6, 13393665), (9, 8929110), (10, 8036199), (15, 5357466), (18, 4464555), (27, 2976370), (30, 2678733), (45, 1785822), (54, 1488185), (90, 892911), (135, 595274), (270, 297637), (367, 218970), (734, 109485), (811, 99090), (1101, 72990), (1622, 49545), (1835, 43794), (2202, 36495), (2433, 33030), (3303, 24330), (3670, 21897), (4055, 19818), (4866, 16515), (5505, 14598), (6606, 12165), (7299, 11010), (8110, 9909)]