30380720

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1237}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 70922544

約数和(自身を除く): 40541824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1237, 1535, 2456, 2474, 3070, 4912, 4948, 6140, 6185, 9896, 12280, 12370, 19792, 24560, 24740, 49480, 98960, 379759, 759518, 1519036, 1898795, 3038072, 3797590, 6076144, 7595180, 15190360, 30380720]

約数ペア:

[(1, 30380720), (2, 15190360), (4, 7595180), (5, 6076144), (8, 3797590), (10, 3038072), (16, 1898795), (20, 1519036), (40, 759518), (80, 379759), (307, 98960), (614, 49480), (1228, 24740), (1237, 24560), (1535, 19792), (2456, 12370), (2474, 12280), (3070, 9896), (4912, 6185), (4948, 6140)]