16987920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{70783}}^1$

素因数の和:70799

約数の個数: 40

約数和(自身を含む): 52663296

約数和(自身を除く): 35675376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 70783, 141566, 212349, 283132, 353915, 424698, 566264, 707830, 849396, 1061745, 1132528, 1415660, 1698792, 2123490, 2831320, 3397584, 4246980, 5662640, 8493960, 16987920]

約数ペア:

[(1, 16987920), (2, 8493960), (3, 5662640), (4, 4246980), (5, 3397584), (6, 2831320), (8, 2123490), (10, 1698792), (12, 1415660), (15, 1132528), (16, 1061745), (20, 849396), (24, 707830), (30, 566264), (40, 424698), (48, 353915), (60, 283132), (80, 212349), (120, 141566), (240, 70783)]