30310140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72167}}^1$

素因数の和:72186

約数の個数: 48

約数和(自身を含む): 96993792

約数和(自身を除く): 66683652

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, 72167, 144334, 216501, 288668, 360835, 433002, 505169, 721670, 866004, 1010338, 1082505, 1443340, 1515507, 2020676, 2165010, 2525845, 3031014, 4330020, 5051690, 6062028, 7577535, 10103380, 15155070, 30310140]

約数ペア:

[(1, 30310140), (2, 15155070), (3, 10103380), (4, 7577535), (5, 6062028), (6, 5051690), (7, 4330020), (10, 3031014), (12, 2525845), (14, 2165010), (15, 2020676), (20, 1515507), (21, 1443340), (28, 1082505), (30, 1010338), (35, 866004), (42, 721670), (60, 505169), (70, 433002), (84, 360835), (105, 288668), (140, 216501), (210, 144334), (420, 72167)]