154496240

素因数分解:

$2^4\times 5^1\times {\mathrm{1931203}}^1$

素因数の和:1931216

約数の個数: 20

約数和(自身を含む): 359203944

約数和(自身を除く): 204707704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1931203, 3862406, 7724812, 9656015, 15449624, 19312030, 30899248, 38624060, 77248120, 154496240]

約数ペア:

[(1, 154496240), (2, 77248120), (4, 38624060), (5, 30899248), (8, 19312030), (10, 15449624), (16, 9656015), (20, 7724812), (40, 3862406), (80, 1931203)]