15657740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1153}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 37998912

約数和(自身を除く): 22341172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1153, 1358, 1940, 2306, 2716, 3395, 4612, 5765, 6790, 8071, 11530, 13580, 16142, 23060, 32284, 40355, 80710, 111841, 161420, 223682, 447364, 559205, 782887, 1118410, 1565774, 2236820, 3131548, 3914435, 7828870, 15657740]

約数ペア:

[(1, 15657740), (2, 7828870), (4, 3914435), (5, 3131548), (7, 2236820), (10, 1565774), (14, 1118410), (20, 782887), (28, 559205), (35, 447364), (70, 223682), (97, 161420), (140, 111841), (194, 80710), (388, 40355), (485, 32284), (679, 23060), (970, 16142), (1153, 13580), (1358, 11530), (1940, 8071), (2306, 6790), (2716, 5765), (3395, 4612)]