40270140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 122675280

約数和(自身を除く): 82405140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 547, 818, 1094, 1227, 1636, 1641, 2045, 2188, 2454, 2735, 3282, 3681, 4090, 4908, 4923, 5470, 6135, 6564, 7362, 8180, 8205, 9846, 10940, 12270, 14724, 16410, 18405, 19692, 24540, 24615, 32820, 36810, 49230, 73620, 98460, 223723, 447446, 671169, 894892, 1118615, 1342338, 2013507, 2237230, 2684676, 3355845, 4027014, 4474460, 6711690, 8054028, 10067535, 13423380, 20135070, 40270140]

約数ペア:

[(1, 40270140), (2, 20135070), (3, 13423380), (4, 10067535), (5, 8054028), (6, 6711690), (9, 4474460), (10, 4027014), (12, 3355845), (15, 2684676), (18, 2237230), (20, 2013507), (30, 1342338), (36, 1118615), (45, 894892), (60, 671169), (90, 447446), (180, 223723), (409, 98460), (547, 73620), (818, 49230), (1094, 36810), (1227, 32820), (1636, 24615), (1641, 24540), (2045, 19692), (2188, 18405), (2454, 16410), (2735, 14724), (3282, 12270), (3681, 10940), (4090, 9846), (4908, 8205), (4923, 8180), (5470, 7362), (6135, 6564)]