72180220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{953}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 173734848

約数和(自身を除く): 101554628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 953, 1082, 1906, 2164, 2705, 3787, 3812, 4765, 5410, 6671, 7574, 9530, 10820, 13342, 15148, 18935, 19060, 26684, 33355, 37870, 66710, 75740, 133420, 515573, 1031146, 2062292, 2577865, 3609011, 5155730, 7218022, 10311460, 14436044, 18045055, 36090110, 72180220]

約数ペア:

[(1, 72180220), (2, 36090110), (4, 18045055), (5, 14436044), (7, 10311460), (10, 7218022), (14, 5155730), (20, 3609011), (28, 2577865), (35, 2062292), (70, 1031146), (140, 515573), (541, 133420), (953, 75740), (1082, 66710), (1906, 37870), (2164, 33355), (2705, 26684), (3787, 19060), (3812, 18935), (4765, 15148), (5410, 13342), (6671, 10820), (7574, 9530)]