13213140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{631}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 37161600

約数和(自身を除く): 23948460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 631, 698, 1047, 1262, 1396, 1745, 1893, 2094, 2524, 3155, 3490, 3786, 4188, 5235, 6310, 6980, 7572, 9465, 10470, 12620, 18930, 20940, 37860, 220219, 440438, 660657, 880876, 1101095, 1321314, 2202190, 2642628, 3303285, 4404380, 6606570, 13213140]

約数ペア:

[(1, 13213140), (2, 6606570), (3, 4404380), (4, 3303285), (5, 2642628), (6, 2202190), (10, 1321314), (12, 1101095), (15, 880876), (20, 660657), (30, 440438), (60, 220219), (349, 37860), (631, 20940), (698, 18930), (1047, 12620), (1262, 10470), (1396, 9465), (1745, 7572), (1893, 6980), (2094, 6310), (2524, 5235), (3155, 4188), (3490, 3786)]