157213280

素因数分解:

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

素因数の和:421

約数の個数: 192

約数和(自身を含む): 470292480

約数和(自身を除く): 313079200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 160, 161, 170, 184, 224, 230, 238, 272, 280, 322, 340, 359, 368, 391, 460, 476, 544, 560, 595, 644, 680, 718, 736, 782, 805, 920, 952, 1120, 1190, 1288, 1360, 1436, 1564, 1610, 1795, 1840, 1904, 1955, 2380, 2513, 2576, 2720, 2737, 2872, 3128, 3220, 3590, 3680, 3808, 3910, 4760, 5026, 5152, 5474, 5744, 6103, 6256, 6440, 7180, 7820, 8257, 9520, 10052, 10948, 11488, 12206, 12512, 12565, 12880, 13685, 14360, 15640, 16514, 19040, 20104, 21896, 24412, 25130, 25760, 27370, 28720, 30515, 31280, 33028, 40208, 41285, 42721, 43792, 48824, 50260, 54740, 57440, 57799, 61030, 62560, 66056, 80416, 82570, 85442, 87584, 97648, 100520, 109480, 115598, 122060, 132112, 140369, 165140, 170884, 195296, 201040, 213605, 218960, 231196, 244120, 264224, 280738, 288995, 330280, 341768, 402080, 427210, 437920, 462392, 488240, 561476, 577990, 660560, 683536, 701845, 854420, 924784, 976480, 982583, 1122952, 1155980, 1321120, 1367072, 1403690, 1708840, 1849568, 1965166, 2245904, 2311960, 2807380, 3417680, 3930332, 4491808, 4623920, 4912915, 5614760, 6835360, 7860664, 9247840, 9825830, 11229520, 15721328, 19651660, 22459040, 31442656, 39303320, 78606640, 157213280]

約数ペア:

[(1, 157213280), (2, 78606640), (4, 39303320), (5, 31442656), (7, 22459040), (8, 19651660), (10, 15721328), (14, 11229520), (16, 9825830), (17, 9247840), (20, 7860664), (23, 6835360), (28, 5614760), (32, 4912915), (34, 4623920), (35, 4491808), (40, 3930332), (46, 3417680), (56, 2807380), (68, 2311960), (70, 2245904), (80, 1965166), (85, 1849568), (92, 1708840), (112, 1403690), (115, 1367072), (119, 1321120), (136, 1155980), (140, 1122952), (160, 982583), (161, 976480), (170, 924784), (184, 854420), (224, 701845), (230, 683536), (238, 660560), (272, 577990), (280, 561476), (322, 488240), (340, 462392), (359, 437920), (368, 427210), (391, 402080), (460, 341768), (476, 330280), (544, 288995), (560, 280738), (595, 264224), (644, 244120), (680, 231196), (718, 218960), (736, 213605), (782, 201040), (805, 195296), (920, 170884), (952, 165140), (1120, 140369), (1190, 132112), (1288, 122060), (1360, 115598), (1436, 109480), (1564, 100520), (1610, 97648), (1795, 87584), (1840, 85442), (1904, 82570), (1955, 80416), (2380, 66056), (2513, 62560), (2576, 61030), (2720, 57799), (2737, 57440), (2872, 54740), (3128, 50260), (3220, 48824), (3590, 43792), (3680, 42721), (3808, 41285), (3910, 40208), (4760, 33028), (5026, 31280), (5152, 30515), (5474, 28720), (5744, 27370), (6103, 25760), (6256, 25130), (6440, 24412), (7180, 21896), (7820, 20104), (8257, 19040), (9520, 16514), (10052, 15640), (10948, 14360), (11488, 13685), (12206, 12880), (12512, 12565)]