1640479470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{12149}}^1$

素因数の和:12809

約数の個数: 64

約数和(自身を含む): 4506969600

約数和(自身を除く): 2866490130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 643, 1286, 1929, 3215, 3858, 4501, 6430, 9002, 9645, 12149, 13503, 19290, 22505, 24298, 27006, 36447, 45010, 60745, 67515, 72894, 85043, 121490, 135030, 170086, 182235, 255129, 364470, 425215, 510258, 850430, 1275645, 2551290, 7811807, 15623614, 23435421, 39059035, 46870842, 54682649, 78118070, 109365298, 117177105, 164047947, 234354210, 273413245, 328095894, 546826490, 820239735, 1640479470]

約数ペア:

[(1, 1640479470), (2, 820239735), (3, 546826490), (5, 328095894), (6, 273413245), (7, 234354210), (10, 164047947), (14, 117177105), (15, 109365298), (21, 78118070), (30, 54682649), (35, 46870842), (42, 39059035), (70, 23435421), (105, 15623614), (210, 7811807), (643, 2551290), (1286, 1275645), (1929, 850430), (3215, 510258), (3858, 425215), (4501, 364470), (6430, 255129), (9002, 182235), (9645, 170086), (12149, 135030), (13503, 121490), (19290, 85043), (22505, 72894), (24298, 67515), (27006, 60745), (36447, 45010)]