51449940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1481}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 156979368

約数和(自身を除く): 105529428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1481, 1737, 1930, 2316, 2895, 2962, 3474, 3860, 4443, 5790, 5924, 6948, 7405, 8685, 8886, 11580, 13329, 14810, 17370, 17772, 22215, 26658, 29620, 34740, 44430, 53316, 66645, 88860, 133290, 266580, 285833, 571666, 857499, 1143332, 1429165, 1714998, 2572497, 2858330, 3429996, 4287495, 5144994, 5716660, 8574990, 10289988, 12862485, 17149980, 25724970, 51449940]

約数ペア:

[(1, 51449940), (2, 25724970), (3, 17149980), (4, 12862485), (5, 10289988), (6, 8574990), (9, 5716660), (10, 5144994), (12, 4287495), (15, 3429996), (18, 2858330), (20, 2572497), (30, 1714998), (36, 1429165), (45, 1143332), (60, 857499), (90, 571666), (180, 285833), (193, 266580), (386, 133290), (579, 88860), (772, 66645), (965, 53316), (1158, 44430), (1481, 34740), (1737, 29620), (1930, 26658), (2316, 22215), (2895, 17772), (2962, 17370), (3474, 14810), (3860, 13329), (4443, 11580), (5790, 8886), (5924, 8685), (6948, 7405)]