15676781860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{17911}}^1$

素因数の和:18436

約数の個数: 48

約数和(自身を含む): 33312021120

約数和(自身を除く): 17635239260

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 409, 428, 535, 818, 1070, 1636, 2045, 2140, 4090, 8180, 17911, 35822, 43763, 71644, 87526, 89555, 175052, 179110, 218815, 358220, 437630, 875260, 1916477, 3832954, 7325599, 7665908, 9582385, 14651198, 19164770, 29302396, 36627995, 38329540, 73255990, 146511980, 783839093, 1567678186, 3135356372, 3919195465, 7838390930, 15676781860]

約数ペア:

[(1, 15676781860), (2, 7838390930), (4, 3919195465), (5, 3135356372), (10, 1567678186), (20, 783839093), (107, 146511980), (214, 73255990), (409, 38329540), (428, 36627995), (535, 29302396), (818, 19164770), (1070, 14651198), (1636, 9582385), (2045, 7665908), (2140, 7325599), (4090, 3832954), (8180, 1916477), (17911, 875260), (35822, 437630), (43763, 358220), (71644, 218815), (87526, 179110), (89555, 175052)]