30391760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7753}}^1$

素因数の和:7780

約数の個数: 60

約数和(自身を含む): 82207908

約数和(自身を除く): 51816148

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7753, 15506, 31012, 38765, 54271, 62024, 77530, 108542, 124048, 155060, 217084, 271355, 310120, 379897, 434168, 542710, 620240, 759794, 868336, 1085420, 1519588, 1899485, 2170840, 3039176, 3798970, 4341680, 6078352, 7597940, 15195880, 30391760]

約数ペア:

[(1, 30391760), (2, 15195880), (4, 7597940), (5, 6078352), (7, 4341680), (8, 3798970), (10, 3039176), (14, 2170840), (16, 1899485), (20, 1519588), (28, 1085420), (35, 868336), (40, 759794), (49, 620240), (56, 542710), (70, 434168), (80, 379897), (98, 310120), (112, 271355), (140, 217084), (196, 155060), (245, 124048), (280, 108542), (392, 77530), (490, 62024), (560, 54271), (784, 38765), (980, 31012), (1960, 15506), (3920, 7753)]