420754920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3506291}}^1$

素因数の和:3506305

約数の個数: 32

約数和(自身を含む): 1262265120

約数和(自身を除く): 841510200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3506291, 7012582, 10518873, 14025164, 17531455, 21037746, 28050328, 35062910, 42075492, 52594365, 70125820, 84150984, 105188730, 140251640, 210377460, 420754920]

約数ペア:

[(1, 420754920), (2, 210377460), (3, 140251640), (4, 105188730), (5, 84150984), (6, 70125820), (8, 52594365), (10, 42075492), (12, 35062910), (15, 28050328), (20, 21037746), (24, 17531455), (30, 14025164), (40, 10518873), (60, 7012582), (120, 3506291)]