171960180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409429}}^1$

素因数の和:409448

約数の個数: 48

約数和(自身を含む): 550273920

約数和(自身を除く): 378313740

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, 409429, 818858, 1228287, 1637716, 2047145, 2456574, 2866003, 4094290, 4913148, 5732006, 6141435, 8188580, 8598009, 11464012, 12282870, 14330015, 17196018, 24565740, 28660030, 34392036, 42990045, 57320060, 85980090, 171960180]

約数ペア:

[(1, 171960180), (2, 85980090), (3, 57320060), (4, 42990045), (5, 34392036), (6, 28660030), (7, 24565740), (10, 17196018), (12, 14330015), (14, 12282870), (15, 11464012), (20, 8598009), (21, 8188580), (28, 6141435), (30, 5732006), (35, 4913148), (42, 4094290), (60, 2866003), (70, 2456574), (84, 2047145), (105, 1637716), (140, 1228287), (210, 818858), (420, 409429)]