1968540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 6504960

約数和(自身を除く): 4536420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 109, 129, 140, 172, 210, 215, 218, 258, 301, 327, 420, 430, 436, 516, 545, 602, 645, 654, 763, 860, 903, 1090, 1204, 1290, 1308, 1505, 1526, 1635, 1806, 2180, 2289, 2580, 3010, 3052, 3270, 3612, 3815, 4515, 4578, 4687, 6020, 6540, 7630, 9030, 9156, 9374, 11445, 14061, 15260, 18060, 18748, 22890, 23435, 28122, 32809, 45780, 46870, 56244, 65618, 70305, 93740, 98427, 131236, 140610, 164045, 196854, 281220, 328090, 393708, 492135, 656180, 984270, 1968540]

約数ペア:

[(1, 1968540), (2, 984270), (3, 656180), (4, 492135), (5, 393708), (6, 328090), (7, 281220), (10, 196854), (12, 164045), (14, 140610), (15, 131236), (20, 98427), (21, 93740), (28, 70305), (30, 65618), (35, 56244), (42, 46870), (43, 45780), (60, 32809), (70, 28122), (84, 23435), (86, 22890), (105, 18748), (109, 18060), (129, 15260), (140, 14061), (172, 11445), (210, 9374), (215, 9156), (218, 9030), (258, 7630), (301, 6540), (327, 6020), (420, 4687), (430, 4578), (436, 4515), (516, 3815), (545, 3612), (602, 3270), (645, 3052), (654, 3010), (763, 2580), (860, 2289), (903, 2180), (1090, 1806), (1204, 1635), (1290, 1526), (1308, 1505)]