8730420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 24591168

約数和(自身を除く): 15860748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 641, 681, 908, 1135, 1282, 1362, 1923, 2270, 2564, 2724, 3205, 3405, 3846, 4540, 6410, 6810, 7692, 9615, 12820, 13620, 19230, 38460, 145507, 291014, 436521, 582028, 727535, 873042, 1455070, 1746084, 2182605, 2910140, 4365210, 8730420]

約数ペア:

[(1, 8730420), (2, 4365210), (3, 2910140), (4, 2182605), (5, 1746084), (6, 1455070), (10, 873042), (12, 727535), (15, 582028), (20, 436521), (30, 291014), (60, 145507), (227, 38460), (454, 19230), (641, 13620), (681, 12820), (908, 9615), (1135, 7692), (1282, 6810), (1362, 6410), (1923, 4540), (2270, 3846), (2564, 3405), (2724, 3205)]