78018180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68437}}^1$

素因数の和:68468

約数の個数: 48

約数和(自身を含む): 229951680

約数和(自身を除く): 151933500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 68437, 136874, 205311, 273748, 342185, 410622, 684370, 821244, 1026555, 1300303, 1368740, 2053110, 2600606, 3900909, 4106220, 5201212, 6501515, 7801818, 13003030, 15603636, 19504545, 26006060, 39009090, 78018180]

約数ペア:

[(1, 78018180), (2, 39009090), (3, 26006060), (4, 19504545), (5, 15603636), (6, 13003030), (10, 7801818), (12, 6501515), (15, 5201212), (19, 4106220), (20, 3900909), (30, 2600606), (38, 2053110), (57, 1368740), (60, 1300303), (76, 1026555), (95, 821244), (114, 684370), (190, 410622), (228, 342185), (285, 273748), (380, 205311), (570, 136874), (1140, 68437)]