71976780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399871}}^1$

素因数の和:399886

約数の個数: 36

約数和(自身を含む): 218330112

約数和(自身を除く): 146353332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399871, 799742, 1199613, 1599484, 1999355, 2399226, 3598839, 3998710, 4798452, 5998065, 7197678, 7997420, 11996130, 14395356, 17994195, 23992260, 35988390, 71976780]

約数ペア:

[(1, 71976780), (2, 35988390), (3, 23992260), (4, 17994195), (5, 14395356), (6, 11996130), (9, 7997420), (10, 7197678), (12, 5998065), (15, 4798452), (18, 3998710), (20, 3598839), (30, 2399226), (36, 1999355), (45, 1599484), (60, 1199613), (90, 799742), (180, 399871)]