216020220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276949}}^1$

素因数の和:276974

約数の個数: 48

約数和(自身を含む): 651386400

約数和(自身を除く): 435366180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 276949, 553898, 830847, 1107796, 1384745, 1661694, 2769490, 3323388, 3600337, 4154235, 5538980, 7200674, 8308470, 10801011, 14401348, 16616940, 18001685, 21602022, 36003370, 43204044, 54005055, 72006740, 108010110, 216020220]

約数ペア:

[(1, 216020220), (2, 108010110), (3, 72006740), (4, 54005055), (5, 43204044), (6, 36003370), (10, 21602022), (12, 18001685), (13, 16616940), (15, 14401348), (20, 10801011), (26, 8308470), (30, 7200674), (39, 5538980), (52, 4154235), (60, 3600337), (65, 3323388), (78, 2769490), (130, 1661694), (156, 1384745), (195, 1107796), (260, 830847), (390, 553898), (780, 276949)]