30282420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72101}}^1$

素因数の和:72120

約数の個数: 48

約数和(自身を含む): 96905088

約数和(自身を除く): 66622668

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, 72101, 144202, 216303, 288404, 360505, 432606, 504707, 721010, 865212, 1009414, 1081515, 1442020, 1514121, 2018828, 2163030, 2523535, 3028242, 4326060, 5047070, 6056484, 7570605, 10094140, 15141210, 30282420]

約数ペア:

[(1, 30282420), (2, 15141210), (3, 10094140), (4, 7570605), (5, 6056484), (6, 5047070), (7, 4326060), (10, 3028242), (12, 2523535), (14, 2163030), (15, 2018828), (20, 1514121), (21, 1442020), (28, 1081515), (30, 1009414), (35, 865212), (42, 721010), (60, 504707), (70, 432606), (84, 360505), (105, 288404), (140, 216303), (210, 144202), (420, 72101)]