180700020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1003889}}^1$

素因数の和:1003904

約数の個数: 36

約数和(自身を含む): 548123940

約数和(自身を除く): 367423920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1003889, 2007778, 3011667, 4015556, 5019445, 6023334, 9035001, 10038890, 12046668, 15058335, 18070002, 20077780, 30116670, 36140004, 45175005, 60233340, 90350010, 180700020]

約数ペア:

[(1, 180700020), (2, 90350010), (3, 60233340), (4, 45175005), (5, 36140004), (6, 30116670), (9, 20077780), (10, 18070002), (12, 15058335), (15, 12046668), (18, 10038890), (20, 9035001), (30, 6023334), (36, 5019445), (45, 4015556), (60, 3011667), (90, 2007778), (180, 1003889)]