78060920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39827}}^1$

素因数の和:39852

約数の個数: 48

約数和(自身を含む): 204317640

約数和(自身を除く): 126256720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 39827, 79654, 159308, 199135, 278789, 318616, 398270, 557578, 796540, 1115156, 1393945, 1593080, 1951523, 2230312, 2787890, 3903046, 5575780, 7806092, 9757615, 11151560, 15612184, 19515230, 39030460, 78060920]

約数ペア:

[(1, 78060920), (2, 39030460), (4, 19515230), (5, 15612184), (7, 11151560), (8, 9757615), (10, 7806092), (14, 5575780), (20, 3903046), (28, 2787890), (35, 2230312), (40, 1951523), (49, 1593080), (56, 1393945), (70, 1115156), (98, 796540), (140, 557578), (196, 398270), (245, 318616), (280, 278789), (392, 199135), (490, 159308), (980, 79654), (1960, 39827)]