218268720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{303151}}^1$

素因数の和:303170

約数の個数: 60

約数和(自身を含む): 733021536

約数和(自身を除く): 514752816

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, 303151, 606302, 909453, 1212604, 1515755, 1818906, 2425208, 2728359, 3031510, 3637812, 4547265, 4850416, 5456718, 6063020, 7275624, 9094530, 10913436, 12126040, 13641795, 14551248, 18189060, 21826872, 24252080, 27283590, 36378120, 43653744, 54567180, 72756240, 109134360, 218268720]

約数ペア:

[(1, 218268720), (2, 109134360), (3, 72756240), (4, 54567180), (5, 43653744), (6, 36378120), (8, 27283590), (9, 24252080), (10, 21826872), (12, 18189060), (15, 14551248), (16, 13641795), (18, 12126040), (20, 10913436), (24, 9094530), (30, 7275624), (36, 6063020), (40, 5456718), (45, 4850416), (48, 4547265), (60, 3637812), (72, 3031510), (80, 2728359), (90, 2425208), (120, 1818906), (144, 1515755), (180, 1212604), (240, 909453), (360, 606302), (720, 303151)]