18321036720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{10905379}}^1$

素因数の和:10905402

約数の個数: 80

約数和(自身を含む): 64908821760

約数和(自身を除く): 46587785040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 10905379, 21810758, 32716137, 43621516, 54526895, 65432274, 76337653, 87243032, 109053790, 130864548, 152675306, 163580685, 174486064, 218107580, 229012959, 261729096, 305350612, 327161370, 381688265, 436215160, 458025918, 523458192, 610701224, 654322740, 763376530, 872430320, 916051836, 1145064795, 1221402448, 1308645480, 1526753060, 1832103672, 2290129590, 2617290960, 3053506120, 3664207344, 4580259180, 6107012240, 9160518360, 18321036720]

約数ペア:

[(1, 18321036720), (2, 9160518360), (3, 6107012240), (4, 4580259180), (5, 3664207344), (6, 3053506120), (7, 2617290960), (8, 2290129590), (10, 1832103672), (12, 1526753060), (14, 1308645480), (15, 1221402448), (16, 1145064795), (20, 916051836), (21, 872430320), (24, 763376530), (28, 654322740), (30, 610701224), (35, 523458192), (40, 458025918), (42, 436215160), (48, 381688265), (56, 327161370), (60, 305350612), (70, 261729096), (80, 229012959), (84, 218107580), (105, 174486064), (112, 163580685), (120, 152675306), (140, 130864548), (168, 109053790), (210, 87243032), (240, 76337653), (280, 65432274), (336, 54526895), (420, 43621516), (560, 32716137), (840, 21810758), (1680, 10905379)]