158400180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{880001}}^1$

素因数の和:880016

約数の個数: 36

約数和(自身を含む): 480481092

約数和(自身を除く): 322080912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 880001, 1760002, 2640003, 3520004, 4400005, 5280006, 7920009, 8800010, 10560012, 13200015, 15840018, 17600020, 26400030, 31680036, 39600045, 52800060, 79200090, 158400180]

約数ペア:

[(1, 158400180), (2, 79200090), (3, 52800060), (4, 39600045), (5, 31680036), (6, 26400030), (9, 17600020), (10, 15840018), (12, 13200015), (15, 10560012), (18, 8800010), (20, 7920009), (30, 5280006), (36, 4400005), (45, 3520004), (60, 2640003), (90, 1760002), (180, 880001)]