15779260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 23028740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2749, 2870, 5498, 5740, 10996, 13745, 19243, 27490, 38486, 54980, 76972, 96215, 112709, 192430, 225418, 384860, 450836, 563545, 788963, 1127090, 1577926, 2254180, 3155852, 3944815, 7889630, 15779260]

約数ペア:

[(1, 15779260), (2, 7889630), (4, 3944815), (5, 3155852), (7, 2254180), (10, 1577926), (14, 1127090), (20, 788963), (28, 563545), (35, 450836), (41, 384860), (70, 225418), (82, 192430), (140, 112709), (164, 96215), (205, 76972), (287, 54980), (410, 38486), (574, 27490), (820, 19243), (1148, 13745), (1435, 10996), (2749, 5740), (2870, 5498)]