15128120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 39372480

約数和(自身を除く): 24244360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 557, 679, 776, 970, 1114, 1358, 1940, 2228, 2716, 2785, 3395, 3880, 3899, 4456, 5432, 5570, 6790, 7798, 11140, 13580, 15596, 19495, 22280, 27160, 31192, 38990, 54029, 77980, 108058, 155960, 216116, 270145, 378203, 432232, 540290, 756406, 1080580, 1512812, 1891015, 2161160, 3025624, 3782030, 7564060, 15128120]

約数ペア:

[(1, 15128120), (2, 7564060), (4, 3782030), (5, 3025624), (7, 2161160), (8, 1891015), (10, 1512812), (14, 1080580), (20, 756406), (28, 540290), (35, 432232), (40, 378203), (56, 270145), (70, 216116), (97, 155960), (140, 108058), (194, 77980), (280, 54029), (388, 38990), (485, 31192), (557, 27160), (679, 22280), (776, 19495), (970, 15596), (1114, 13580), (1358, 11140), (1940, 7798), (2228, 6790), (2716, 5570), (2785, 5432), (3395, 4456), (3880, 3899)]