19428720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80953}}^1$

素因数の和:80969

約数の個数: 40

約数和(自身を含む): 60229776

約数和(自身を除く): 40801056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80953, 161906, 242859, 323812, 404765, 485718, 647624, 809530, 971436, 1214295, 1295248, 1619060, 1942872, 2428590, 3238120, 3885744, 4857180, 6476240, 9714360, 19428720]

約数ペア:

[(1, 19428720), (2, 9714360), (3, 6476240), (4, 4857180), (5, 3885744), (6, 3238120), (8, 2428590), (10, 1942872), (12, 1619060), (15, 1295248), (16, 1214295), (20, 971436), (24, 809530), (30, 647624), (40, 485718), (48, 404765), (60, 323812), (80, 242859), (120, 161906), (240, 80953)]