78840160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70393}}^1$

素因数の和:70415

約数の個数: 48

約数和(自身を含む): 212871456

約数和(自身を除く): 134031296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70393, 140786, 281572, 351965, 492751, 563144, 703930, 985502, 1126288, 1407860, 1971004, 2252576, 2463755, 2815720, 3942008, 4927510, 5631440, 7884016, 9855020, 11262880, 15768032, 19710040, 39420080, 78840160]

約数ペア:

[(1, 78840160), (2, 39420080), (4, 19710040), (5, 15768032), (7, 11262880), (8, 9855020), (10, 7884016), (14, 5631440), (16, 4927510), (20, 3942008), (28, 2815720), (32, 2463755), (35, 2252576), (40, 1971004), (56, 1407860), (70, 1126288), (80, 985502), (112, 703930), (140, 563144), (160, 492751), (224, 351965), (280, 281572), (560, 140786), (1120, 70393)]