30220785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 60293376

約数和(自身を除く): 30072591

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 197, 315, 487, 591, 985, 1379, 1461, 1773, 2435, 2955, 3409, 4137, 4383, 6895, 7305, 8865, 10227, 12411, 17045, 20685, 21915, 30681, 51135, 62055, 95939, 153405, 287817, 479695, 671573, 863451, 1439085, 2014719, 3357865, 4317255, 6044157, 10073595, 30220785]

約数ペア:

[(1, 30220785), (3, 10073595), (5, 6044157), (7, 4317255), (9, 3357865), (15, 2014719), (21, 1439085), (35, 863451), (45, 671573), (63, 479695), (105, 287817), (197, 153405), (315, 95939), (487, 62055), (591, 51135), (985, 30681), (1379, 21915), (1461, 20685), (1773, 17045), (2435, 12411), (2955, 10227), (3409, 8865), (4137, 7305), (4383, 6895)]