321821520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 1050147072

約数和(自身を除く): 728325552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 173, 184, 230, 240, 276, 337, 345, 346, 368, 460, 519, 552, 674, 690, 692, 865, 920, 1011, 1038, 1104, 1348, 1380, 1384, 1685, 1730, 1840, 2022, 2076, 2595, 2696, 2760, 2768, 3370, 3460, 3979, 4044, 4152, 5055, 5190, 5392, 5520, 6740, 6920, 7751, 7958, 8088, 8304, 10110, 10380, 11937, 13480, 13840, 15502, 15916, 16176, 19895, 20220, 20760, 23253, 23874, 26960, 31004, 31832, 38755, 39790, 40440, 41520, 46506, 47748, 58301, 59685, 62008, 63664, 77510, 79580, 80880, 93012, 95496, 116265, 116602, 119370, 124016, 155020, 159160, 174903, 186024, 190992, 232530, 233204, 238740, 291505, 310040, 318320, 349806, 372048, 465060, 466408, 477480, 583010, 620080, 699612, 874515, 930120, 932816, 954960, 1166020, 1340923, 1399224, 1749030, 1860240, 2332040, 2681846, 2798448, 3498060, 4022769, 4664080, 5363692, 6704615, 6996120, 8045538, 10727384, 13409230, 13992240, 16091076, 20113845, 21454768, 26818460, 32182152, 40227690, 53636920, 64364304, 80455380, 107273840, 160910760, 321821520]

約数ペア:

[(1, 321821520), (2, 160910760), (3, 107273840), (4, 80455380), (5, 64364304), (6, 53636920), (8, 40227690), (10, 32182152), (12, 26818460), (15, 21454768), (16, 20113845), (20, 16091076), (23, 13992240), (24, 13409230), (30, 10727384), (40, 8045538), (46, 6996120), (48, 6704615), (60, 5363692), (69, 4664080), (80, 4022769), (92, 3498060), (115, 2798448), (120, 2681846), (138, 2332040), (173, 1860240), (184, 1749030), (230, 1399224), (240, 1340923), (276, 1166020), (337, 954960), (345, 932816), (346, 930120), (368, 874515), (460, 699612), (519, 620080), (552, 583010), (674, 477480), (690, 466408), (692, 465060), (865, 372048), (920, 349806), (1011, 318320), (1038, 310040), (1104, 291505), (1348, 238740), (1380, 233204), (1384, 232530), (1685, 190992), (1730, 186024), (1840, 174903), (2022, 159160), (2076, 155020), (2595, 124016), (2696, 119370), (2760, 116602), (2768, 116265), (3370, 95496), (3460, 93012), (3979, 80880), (4044, 79580), (4152, 77510), (5055, 63664), (5190, 62008), (5392, 59685), (5520, 58301), (6740, 47748), (6920, 46506), (7751, 41520), (7958, 40440), (8088, 39790), (8304, 38755), (10110, 31832), (10380, 31004), (11937, 26960), (13480, 23874), (13840, 23253), (15502, 20760), (15916, 20220), (16176, 19895)]