30394280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 79280640

約数和(自身を除く): 48886360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1487, 2044, 2555, 2920, 2974, 4088, 5110, 5948, 7435, 10220, 10409, 11896, 14870, 20440, 20818, 29740, 41636, 52045, 59480, 83272, 104090, 108551, 208180, 217102, 416360, 434204, 542755, 759857, 868408, 1085510, 1519714, 2171020, 3039428, 3799285, 4342040, 6078856, 7598570, 15197140, 30394280]

約数ペア:

[(1, 30394280), (2, 15197140), (4, 7598570), (5, 6078856), (7, 4342040), (8, 3799285), (10, 3039428), (14, 2171020), (20, 1519714), (28, 1085510), (35, 868408), (40, 759857), (56, 542755), (70, 434204), (73, 416360), (140, 217102), (146, 208180), (280, 108551), (292, 104090), (365, 83272), (511, 59480), (584, 52045), (730, 41636), (1022, 29740), (1460, 20818), (1487, 20440), (2044, 14870), (2555, 11896), (2920, 10409), (2974, 10220), (4088, 7435), (5110, 5948)]