40230780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2609}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 113127840

約数和(自身を除く): 72897060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 2609, 3084, 3855, 5140, 5218, 7710, 7827, 10436, 13045, 15420, 15654, 26090, 31308, 39135, 52180, 78270, 156540, 670513, 1341026, 2011539, 2682052, 3352565, 4023078, 6705130, 8046156, 10057695, 13410260, 20115390, 40230780]

約数ペア:

[(1, 40230780), (2, 20115390), (3, 13410260), (4, 10057695), (5, 8046156), (6, 6705130), (10, 4023078), (12, 3352565), (15, 2682052), (20, 2011539), (30, 1341026), (60, 670513), (257, 156540), (514, 78270), (771, 52180), (1028, 39135), (1285, 31308), (1542, 26090), (2570, 15654), (2609, 15420), (3084, 13045), (3855, 10436), (5140, 7827), (5218, 7710)]