689220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{547}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 2393664

約数和(自身を除く): 1704444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 547, 630, 1094, 1260, 1641, 2188, 2735, 3282, 3829, 4923, 5470, 6564, 7658, 8205, 9846, 10940, 11487, 15316, 16410, 19145, 19692, 22974, 24615, 32820, 34461, 38290, 45948, 49230, 57435, 68922, 76580, 98460, 114870, 137844, 172305, 229740, 344610, 689220]

約数ペア:

[(1, 689220), (2, 344610), (3, 229740), (4, 172305), (5, 137844), (6, 114870), (7, 98460), (9, 76580), (10, 68922), (12, 57435), (14, 49230), (15, 45948), (18, 38290), (20, 34461), (21, 32820), (28, 24615), (30, 22974), (35, 19692), (36, 19145), (42, 16410), (45, 15316), (60, 11487), (63, 10940), (70, 9846), (84, 8205), (90, 7658), (105, 6564), (126, 5470), (140, 4923), (180, 3829), (210, 3282), (252, 2735), (315, 2188), (420, 1641), (547, 1260), (630, 1094)]