15968120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8147}}^1$

素因数の和:8172

約数の個数: 48

約数和(自身を含む): 41799240

約数和(自身を除く): 25831120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8147, 16294, 32588, 40735, 57029, 65176, 81470, 114058, 162940, 228116, 285145, 325880, 399203, 456232, 570290, 798406, 1140580, 1596812, 1996015, 2281160, 3193624, 3992030, 7984060, 15968120]

約数ペア:

[(1, 15968120), (2, 7984060), (4, 3992030), (5, 3193624), (7, 2281160), (8, 1996015), (10, 1596812), (14, 1140580), (20, 798406), (28, 570290), (35, 456232), (40, 399203), (49, 325880), (56, 285145), (70, 228116), (98, 162940), (140, 114058), (196, 81470), (245, 65176), (280, 57029), (392, 40735), (490, 32588), (980, 16294), (1960, 8147)]