155812860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123661}}^1$

素因数の和:123683

約数の個数: 72

約数和(自身を含む): 540155616

約数和(自身を除く): 384342756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123661, 247322, 370983, 494644, 618305, 741966, 865627, 1112949, 1236610, 1483932, 1731254, 1854915, 2225898, 2473220, 2596881, 3462508, 3709830, 4328135, 4451796, 5193762, 5564745, 7419660, 7790643, 8656270, 10387524, 11129490, 12984405, 15581286, 17312540, 22258980, 25968810, 31162572, 38953215, 51937620, 77906430, 155812860]

約数ペア:

[(1, 155812860), (2, 77906430), (3, 51937620), (4, 38953215), (5, 31162572), (6, 25968810), (7, 22258980), (9, 17312540), (10, 15581286), (12, 12984405), (14, 11129490), (15, 10387524), (18, 8656270), (20, 7790643), (21, 7419660), (28, 5564745), (30, 5193762), (35, 4451796), (36, 4328135), (42, 3709830), (45, 3462508), (60, 2596881), (63, 2473220), (70, 2225898), (84, 1854915), (90, 1731254), (105, 1483932), (126, 1236610), (140, 1112949), (180, 865627), (210, 741966), (252, 618305), (315, 494644), (420, 370983), (630, 247322), (1260, 123661)]