2920544080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1\times {\mathrm{607}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 6866703360

約数和(自身を除く): 3946159280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 439, 548, 607, 685, 878, 1096, 1214, 1370, 1756, 2192, 2195, 2428, 2740, 3035, 3512, 4390, 4856, 5480, 6070, 7024, 8780, 9712, 10960, 12140, 17560, 24280, 35120, 48560, 60143, 83159, 120286, 166318, 240572, 266473, 300715, 332636, 415795, 481144, 532946, 601430, 665272, 831590, 962288, 1065892, 1202860, 1330544, 1332365, 1663180, 2131784, 2405720, 2664730, 3326360, 4263568, 4811440, 5329460, 6652720, 10658920, 21317840, 36506801, 73013602, 146027204, 182534005, 292054408, 365068010, 584108816, 730136020, 1460272040, 2920544080]

約数ペア:

[(1, 2920544080), (2, 1460272040), (4, 730136020), (5, 584108816), (8, 365068010), (10, 292054408), (16, 182534005), (20, 146027204), (40, 73013602), (80, 36506801), (137, 21317840), (274, 10658920), (439, 6652720), (548, 5329460), (607, 4811440), (685, 4263568), (878, 3326360), (1096, 2664730), (1214, 2405720), (1370, 2131784), (1756, 1663180), (2192, 1332365), (2195, 1330544), (2428, 1202860), (2740, 1065892), (3035, 962288), (3512, 831590), (4390, 665272), (4856, 601430), (5480, 532946), (6070, 481144), (7024, 415795), (8780, 332636), (9712, 300715), (10960, 266473), (12140, 240572), (17560, 166318), (24280, 120286), (35120, 83159), (48560, 60143)]