2563890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 7292160

約数和(自身を除く): 4728270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 421, 435, 609, 842, 870, 1015, 1218, 1263, 2030, 2105, 2526, 2947, 3045, 4210, 5894, 6090, 6315, 8841, 12209, 12630, 14735, 17682, 24418, 29470, 36627, 44205, 61045, 73254, 85463, 88410, 122090, 170926, 183135, 256389, 366270, 427315, 512778, 854630, 1281945, 2563890]

約数ペア:

[(1, 2563890), (2, 1281945), (3, 854630), (5, 512778), (6, 427315), (7, 366270), (10, 256389), (14, 183135), (15, 170926), (21, 122090), (29, 88410), (30, 85463), (35, 73254), (42, 61045), (58, 44205), (70, 36627), (87, 29470), (105, 24418), (145, 17682), (174, 14735), (203, 12630), (210, 12209), (290, 8841), (406, 6315), (421, 6090), (435, 5894), (609, 4210), (842, 3045), (870, 2947), (1015, 2526), (1218, 2105), (1263, 2030)]