30217520

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1373

約数の個数: 40

約数和(自身を含む): 70508880

約数和(自身を除く): 40291360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 971, 1556, 1942, 1945, 3112, 3884, 3890, 4855, 6224, 7768, 7780, 9710, 15536, 15560, 19420, 31120, 38840, 77680, 377719, 755438, 1510876, 1888595, 3021752, 3777190, 6043504, 7554380, 15108760, 30217520]

約数ペア:

[(1, 30217520), (2, 15108760), (4, 7554380), (5, 6043504), (8, 3777190), (10, 3021752), (16, 1888595), (20, 1510876), (40, 755438), (80, 377719), (389, 77680), (778, 38840), (971, 31120), (1556, 19420), (1942, 15560), (1945, 15536), (3112, 9710), (3884, 7780), (3890, 7768), (4855, 6224)]