81377310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{809}}^1$

素因数の和:1305

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 142571490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 479, 809, 958, 1437, 1618, 2395, 2427, 2874, 3353, 4045, 4790, 4854, 5663, 6706, 7185, 8090, 10059, 11326, 12135, 14370, 16765, 16989, 20118, 24270, 28315, 33530, 33978, 50295, 56630, 84945, 100590, 169890, 387511, 775022, 1162533, 1937555, 2325066, 2712577, 3875110, 5425154, 5812665, 8137731, 11625330, 13562885, 16275462, 27125770, 40688655, 81377310]

約数ペア:

[(1, 81377310), (2, 40688655), (3, 27125770), (5, 16275462), (6, 13562885), (7, 11625330), (10, 8137731), (14, 5812665), (15, 5425154), (21, 3875110), (30, 2712577), (35, 2325066), (42, 1937555), (70, 1162533), (105, 775022), (210, 387511), (479, 169890), (809, 100590), (958, 84945), (1437, 56630), (1618, 50295), (2395, 33978), (2427, 33530), (2874, 28315), (3353, 24270), (4045, 20118), (4790, 16989), (4854, 16765), (5663, 14370), (6706, 12135), (7185, 11326), (8090, 10059)]