269220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 862848

約数和(自身を除く): 593628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 641, 1282, 1923, 2564, 3205, 3846, 4487, 6410, 7692, 8974, 9615, 12820, 13461, 17948, 19230, 22435, 26922, 38460, 44870, 53844, 67305, 89740, 134610, 269220]

約数ペア:

[(1, 269220), (2, 134610), (3, 89740), (4, 67305), (5, 53844), (6, 44870), (7, 38460), (10, 26922), (12, 22435), (14, 19230), (15, 17948), (20, 13461), (21, 12820), (28, 9615), (30, 8974), (35, 7692), (42, 6410), (60, 4487), (70, 3846), (84, 3205), (105, 2564), (140, 1923), (210, 1282), (420, 641)]