638199960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5318333}}^1$

素因数の和:5318347

約数の個数: 32

約数和(自身を含む): 1914600240

約数和(自身を除く): 1276400280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5318333, 10636666, 15954999, 21273332, 26591665, 31909998, 42546664, 53183330, 63819996, 79774995, 106366660, 127639992, 159549990, 212733320, 319099980, 638199960]

約数ペア:

[(1, 638199960), (2, 319099980), (3, 212733320), (4, 159549990), (5, 127639992), (6, 106366660), (8, 79774995), (10, 63819996), (12, 53183330), (15, 42546664), (20, 31909998), (24, 26591665), (30, 21273332), (40, 15954999), (60, 10636666), (120, 5318333)]