12961860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 36456000

約数和(自身を除く): 23494140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 619, 698, 1047, 1238, 1396, 1745, 1857, 2094, 2476, 3095, 3490, 3714, 4188, 5235, 6190, 6980, 7428, 9285, 10470, 12380, 18570, 20940, 37140, 216031, 432062, 648093, 864124, 1080155, 1296186, 2160310, 2592372, 3240465, 4320620, 6480930, 12961860]

約数ペア:

[(1, 12961860), (2, 6480930), (3, 4320620), (4, 3240465), (5, 2592372), (6, 2160310), (10, 1296186), (12, 1080155), (15, 864124), (20, 648093), (30, 432062), (60, 216031), (349, 37140), (619, 20940), (698, 18570), (1047, 12380), (1238, 10470), (1396, 9285), (1745, 7428), (1857, 6980), (2094, 6190), (2476, 5235), (3095, 4188), (3490, 3714)]