128227920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534283}}^1$

素因数の和:534299

約数の個数: 40

約数和(自身を含む): 397507296

約数和(自身を除く): 269279376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534283, 1068566, 1602849, 2137132, 2671415, 3205698, 4274264, 5342830, 6411396, 8014245, 8548528, 10685660, 12822792, 16028490, 21371320, 25645584, 32056980, 42742640, 64113960, 128227920]

約数ペア:

[(1, 128227920), (2, 64113960), (3, 42742640), (4, 32056980), (5, 25645584), (6, 21371320), (8, 16028490), (10, 12822792), (12, 10685660), (15, 8548528), (16, 8014245), (20, 6411396), (24, 5342830), (30, 4274264), (40, 3205698), (48, 2671415), (60, 2137132), (80, 1602849), (120, 1068566), (240, 534283)]