78606640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 231413760

約数和(自身を除く): 152807120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 359, 368, 391, 460, 476, 560, 595, 644, 680, 718, 782, 805, 920, 952, 1190, 1288, 1360, 1436, 1564, 1610, 1795, 1840, 1904, 1955, 2380, 2513, 2576, 2737, 2872, 3128, 3220, 3590, 3910, 4760, 5026, 5474, 5744, 6103, 6256, 6440, 7180, 7820, 8257, 9520, 10052, 10948, 12206, 12565, 12880, 13685, 14360, 15640, 16514, 20104, 21896, 24412, 25130, 27370, 28720, 30515, 31280, 33028, 40208, 41285, 42721, 43792, 48824, 50260, 54740, 57799, 61030, 66056, 82570, 85442, 97648, 100520, 109480, 115598, 122060, 132112, 140369, 165140, 170884, 201040, 213605, 218960, 231196, 244120, 280738, 288995, 330280, 341768, 427210, 462392, 488240, 561476, 577990, 660560, 683536, 701845, 854420, 924784, 982583, 1122952, 1155980, 1403690, 1708840, 1965166, 2245904, 2311960, 2807380, 3417680, 3930332, 4623920, 4912915, 5614760, 7860664, 9825830, 11229520, 15721328, 19651660, 39303320, 78606640]

約数ペア:

[(1, 78606640), (2, 39303320), (4, 19651660), (5, 15721328), (7, 11229520), (8, 9825830), (10, 7860664), (14, 5614760), (16, 4912915), (17, 4623920), (20, 3930332), (23, 3417680), (28, 2807380), (34, 2311960), (35, 2245904), (40, 1965166), (46, 1708840), (56, 1403690), (68, 1155980), (70, 1122952), (80, 982583), (85, 924784), (92, 854420), (112, 701845), (115, 683536), (119, 660560), (136, 577990), (140, 561476), (161, 488240), (170, 462392), (184, 427210), (230, 341768), (238, 330280), (272, 288995), (280, 280738), (322, 244120), (340, 231196), (359, 218960), (368, 213605), (391, 201040), (460, 170884), (476, 165140), (560, 140369), (595, 132112), (644, 122060), (680, 115598), (718, 109480), (782, 100520), (805, 97648), (920, 85442), (952, 82570), (1190, 66056), (1288, 61030), (1360, 57799), (1436, 54740), (1564, 50260), (1610, 48824), (1795, 43792), (1840, 42721), (1904, 41285), (1955, 40208), (2380, 33028), (2513, 31280), (2576, 30515), (2737, 28720), (2872, 27370), (3128, 25130), (3220, 24412), (3590, 21896), (3910, 20104), (4760, 16514), (5026, 15640), (5474, 14360), (5744, 13685), (6103, 12880), (6256, 12565), (6440, 12206), (7180, 10948), (7820, 10052), (8257, 9520)]