80226440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1583}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 127340920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1583, 1810, 2534, 3166, 3620, 5068, 6332, 6335, 7240, 7915, 10136, 11081, 12664, 12670, 15830, 22162, 25340, 31660, 44324, 50680, 55405, 63320, 88648, 110810, 221620, 286523, 443240, 573046, 1146092, 1432615, 2005661, 2292184, 2865230, 4011322, 5730460, 8022644, 10028305, 11460920, 16045288, 20056610, 40113220, 80226440]

約数ペア:

[(1, 80226440), (2, 40113220), (4, 20056610), (5, 16045288), (7, 11460920), (8, 10028305), (10, 8022644), (14, 5730460), (20, 4011322), (28, 2865230), (35, 2292184), (40, 2005661), (56, 1432615), (70, 1146092), (140, 573046), (181, 443240), (280, 286523), (362, 221620), (724, 110810), (905, 88648), (1267, 63320), (1448, 55405), (1583, 50680), (1810, 44324), (2534, 31660), (3166, 25340), (3620, 22162), (5068, 15830), (6332, 12670), (6335, 12664), (7240, 11081), (7915, 10136)]