7213740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{479}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 13107540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 479, 502, 753, 958, 1004, 1255, 1437, 1506, 1916, 2395, 2510, 2874, 3012, 3765, 4790, 5020, 5748, 7185, 7530, 9580, 14370, 15060, 28740, 120229, 240458, 360687, 480916, 601145, 721374, 1202290, 1442748, 1803435, 2404580, 3606870, 7213740]

約数ペア:

[(1, 7213740), (2, 3606870), (3, 2404580), (4, 1803435), (5, 1442748), (6, 1202290), (10, 721374), (12, 601145), (15, 480916), (20, 360687), (30, 240458), (60, 120229), (251, 28740), (479, 15060), (502, 14370), (753, 9580), (958, 7530), (1004, 7185), (1255, 5748), (1437, 5020), (1506, 4790), (1916, 3765), (2395, 3012), (2510, 2874)]