179672940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9883}}^1$

素因数の和:9999

約数の個数: 72

約数和(自身を含む): 550459728

約数和(自身を除く): 370786788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 9883, 18180, 19766, 29649, 39532, 49415, 59298, 88947, 98830, 118596, 148245, 177894, 197660, 296490, 355788, 444735, 592980, 889470, 998183, 1778940, 1996366, 2994549, 3992732, 4990915, 5989098, 8983647, 9981830, 11978196, 14972745, 17967294, 19963660, 29945490, 35934588, 44918235, 59890980, 89836470, 179672940]

約数ペア:

[(1, 179672940), (2, 89836470), (3, 59890980), (4, 44918235), (5, 35934588), (6, 29945490), (9, 19963660), (10, 17967294), (12, 14972745), (15, 11978196), (18, 9981830), (20, 8983647), (30, 5989098), (36, 4990915), (45, 3992732), (60, 2994549), (90, 1996366), (101, 1778940), (180, 998183), (202, 889470), (303, 592980), (404, 444735), (505, 355788), (606, 296490), (909, 197660), (1010, 177894), (1212, 148245), (1515, 118596), (1818, 98830), (2020, 88947), (3030, 59298), (3636, 49415), (4545, 39532), (6060, 29649), (9090, 19766), (9883, 18180)]