16388120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 42612480

約数和(自身を除く): 26224360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 547, 749, 856, 1070, 1094, 1498, 2140, 2188, 2735, 2996, 3745, 3829, 4280, 4376, 5470, 5992, 7490, 7658, 10940, 14980, 15316, 19145, 21880, 29960, 30632, 38290, 58529, 76580, 117058, 153160, 234116, 292645, 409703, 468232, 585290, 819406, 1170580, 1638812, 2048515, 2341160, 3277624, 4097030, 8194060, 16388120]

約数ペア:

[(1, 16388120), (2, 8194060), (4, 4097030), (5, 3277624), (7, 2341160), (8, 2048515), (10, 1638812), (14, 1170580), (20, 819406), (28, 585290), (35, 468232), (40, 409703), (56, 292645), (70, 234116), (107, 153160), (140, 117058), (214, 76580), (280, 58529), (428, 38290), (535, 30632), (547, 29960), (749, 21880), (856, 19145), (1070, 15316), (1094, 14980), (1498, 10940), (2140, 7658), (2188, 7490), (2735, 5992), (2996, 5470), (3745, 4376), (3829, 4280)]