14720720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 39664128

約数和(自身を除く): 24943408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 271, 280, 388, 485, 542, 560, 679, 776, 970, 1084, 1355, 1358, 1552, 1897, 1940, 2168, 2710, 2716, 3395, 3794, 3880, 4336, 5420, 5432, 6790, 7588, 7760, 9485, 10840, 10864, 13580, 15176, 18970, 21680, 26287, 27160, 30352, 37940, 52574, 54320, 75880, 105148, 131435, 151760, 184009, 210296, 262870, 368018, 420592, 525740, 736036, 920045, 1051480, 1472072, 1840090, 2102960, 2944144, 3680180, 7360360, 14720720]

約数ペア:

[(1, 14720720), (2, 7360360), (4, 3680180), (5, 2944144), (7, 2102960), (8, 1840090), (10, 1472072), (14, 1051480), (16, 920045), (20, 736036), (28, 525740), (35, 420592), (40, 368018), (56, 262870), (70, 210296), (80, 184009), (97, 151760), (112, 131435), (140, 105148), (194, 75880), (271, 54320), (280, 52574), (388, 37940), (485, 30352), (542, 27160), (560, 26287), (679, 21680), (776, 18970), (970, 15176), (1084, 13580), (1355, 10864), (1358, 10840), (1552, 9485), (1897, 7760), (1940, 7588), (2168, 6790), (2710, 5432), (2716, 5420), (3395, 4336), (3794, 3880)]