991620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{787}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 3441984

約数和(自身を除く): 2450364

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, 630, 787, 1260, 1574, 2361, 3148, 3935, 4722, 5509, 7083, 7870, 9444, 11018, 11805, 14166, 15740, 16527, 22036, 23610, 27545, 28332, 33054, 35415, 47220, 49581, 55090, 66108, 70830, 82635, 99162, 110180, 141660, 165270, 198324, 247905, 330540, 495810, 991620]

約数ペア:

[(1, 991620), (2, 495810), (3, 330540), (4, 247905), (5, 198324), (6, 165270), (7, 141660), (9, 110180), (10, 99162), (12, 82635), (14, 70830), (15, 66108), (18, 55090), (20, 49581), (21, 47220), (28, 35415), (30, 33054), (35, 28332), (36, 27545), (42, 23610), (45, 22036), (60, 16527), (63, 15740), (70, 14166), (84, 11805), (90, 11018), (105, 9444), (126, 7870), (140, 7083), (180, 5509), (210, 4722), (252, 3935), (315, 3148), (420, 2361), (630, 1574), (787, 1260)]