168561680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1663}}^1$

素因数の和:1864

約数の個数: 80

約数和(自身を含む): 450637824

約数和(自身を除く): 282076144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 560, 724, 905, 1267, 1448, 1663, 1810, 2534, 2896, 3326, 3620, 5068, 6335, 6652, 7240, 8315, 10136, 11641, 12670, 13304, 14480, 16630, 20272, 23282, 25340, 26608, 33260, 46564, 50680, 58205, 66520, 93128, 101360, 116410, 133040, 186256, 232820, 301003, 465640, 602006, 931280, 1204012, 1505015, 2107021, 2408024, 3010030, 4214042, 4816048, 6020060, 8428084, 10535105, 12040120, 16856168, 21070210, 24080240, 33712336, 42140420, 84280840, 168561680]

約数ペア:

[(1, 168561680), (2, 84280840), (4, 42140420), (5, 33712336), (7, 24080240), (8, 21070210), (10, 16856168), (14, 12040120), (16, 10535105), (20, 8428084), (28, 6020060), (35, 4816048), (40, 4214042), (56, 3010030), (70, 2408024), (80, 2107021), (112, 1505015), (140, 1204012), (181, 931280), (280, 602006), (362, 465640), (560, 301003), (724, 232820), (905, 186256), (1267, 133040), (1448, 116410), (1663, 101360), (1810, 93128), (2534, 66520), (2896, 58205), (3326, 50680), (3620, 46564), (5068, 33260), (6335, 26608), (6652, 25340), (7240, 23282), (8315, 20272), (10136, 16630), (11641, 14480), (12670, 13304)]