30353820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72271}}^1$

素因数の和:72290

約数の個数: 48

約数和(自身を含む): 97133568

約数和(自身を除く): 66779748

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, 72271, 144542, 216813, 289084, 361355, 433626, 505897, 722710, 867252, 1011794, 1084065, 1445420, 1517691, 2023588, 2168130, 2529485, 3035382, 4336260, 5058970, 6070764, 7588455, 10117940, 15176910, 30353820]

約数ペア:

[(1, 30353820), (2, 15176910), (3, 10117940), (4, 7588455), (5, 6070764), (6, 5058970), (7, 4336260), (10, 3035382), (12, 2529485), (14, 2168130), (15, 2023588), (20, 1517691), (21, 1445420), (28, 1084065), (30, 1011794), (35, 867252), (42, 722710), (60, 505897), (70, 433626), (84, 361355), (105, 289084), (140, 216813), (210, 144542), (420, 72271)]