123408720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171401}}^1$

素因数の和:171420

約数の個数: 60

約数和(自身を含む): 414450036

約数和(自身を除く): 291041316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171401, 342802, 514203, 685604, 857005, 1028406, 1371208, 1542609, 1714010, 2056812, 2571015, 2742416, 3085218, 3428020, 4113624, 5142030, 6170436, 6856040, 7713045, 8227248, 10284060, 12340872, 13712080, 15426090, 20568120, 24681744, 30852180, 41136240, 61704360, 123408720]

約数ペア:

[(1, 123408720), (2, 61704360), (3, 41136240), (4, 30852180), (5, 24681744), (6, 20568120), (8, 15426090), (9, 13712080), (10, 12340872), (12, 10284060), (15, 8227248), (16, 7713045), (18, 6856040), (20, 6170436), (24, 5142030), (30, 4113624), (36, 3428020), (40, 3085218), (45, 2742416), (48, 2571015), (60, 2056812), (72, 1714010), (80, 1542609), (90, 1371208), (120, 1028406), (144, 857005), (180, 685604), (240, 514203), (360, 342802), (720, 171401)]