28225620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{673}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 86112936

約数和(自身を除く): 57887316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 673, 699, 932, 1165, 1346, 1398, 2019, 2097, 2330, 2692, 2796, 3365, 3495, 4038, 4194, 4660, 6057, 6730, 6990, 8076, 8388, 10095, 10485, 12114, 13460, 13980, 20190, 20970, 24228, 30285, 40380, 41940, 60570, 121140, 156809, 313618, 470427, 627236, 784045, 940854, 1411281, 1568090, 1881708, 2352135, 2822562, 3136180, 4704270, 5645124, 7056405, 9408540, 14112810, 28225620]

約数ペア:

[(1, 28225620), (2, 14112810), (3, 9408540), (4, 7056405), (5, 5645124), (6, 4704270), (9, 3136180), (10, 2822562), (12, 2352135), (15, 1881708), (18, 1568090), (20, 1411281), (30, 940854), (36, 784045), (45, 627236), (60, 470427), (90, 313618), (180, 156809), (233, 121140), (466, 60570), (673, 41940), (699, 40380), (932, 30285), (1165, 24228), (1346, 20970), (1398, 20190), (2019, 13980), (2097, 13460), (2330, 12114), (2692, 10485), (2796, 10095), (3365, 8388), (3495, 8076), (4038, 6990), (4194, 6730), (4660, 6057)]