7552020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17981}}^1$

素因数の和:18000

約数の個数: 48

約数和(自身を含む): 24167808

約数和(自身を除く): 16615788

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, 17981, 35962, 53943, 71924, 89905, 107886, 125867, 179810, 215772, 251734, 269715, 359620, 377601, 503468, 539430, 629335, 755202, 1078860, 1258670, 1510404, 1888005, 2517340, 3776010, 7552020]

約数ペア:

[(1, 7552020), (2, 3776010), (3, 2517340), (4, 1888005), (5, 1510404), (6, 1258670), (7, 1078860), (10, 755202), (12, 629335), (14, 539430), (15, 503468), (20, 377601), (21, 359620), (28, 269715), (30, 251734), (35, 215772), (42, 179810), (60, 125867), (70, 107886), (84, 89905), (105, 71924), (140, 53943), (210, 35962), (420, 17981)]