73021480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260791}}^1$

素因数の和:260809

約数の個数: 32

約数和(自身を含む): 187770240

約数和(自身を除く): 114748760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260791, 521582, 1043164, 1303955, 1825537, 2086328, 2607910, 3651074, 5215820, 7302148, 9127685, 10431640, 14604296, 18255370, 36510740, 73021480]

約数ペア:

[(1, 73021480), (2, 36510740), (4, 18255370), (5, 14604296), (7, 10431640), (8, 9127685), (10, 7302148), (14, 5215820), (20, 3651074), (28, 2607910), (35, 2086328), (40, 1825537), (56, 1303955), (70, 1043164), (140, 521582), (280, 260791)]