813238440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{968141}}^1$

素因数の和:968162

約数の個数: 64

約数和(自身を含む): 2788248960

約数和(自身を除く): 1975010520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 968141, 1936282, 2904423, 3872564, 4840705, 5808846, 6776987, 7745128, 9681410, 11617692, 13553974, 14522115, 19362820, 20330961, 23235384, 27107948, 29044230, 33884935, 38725640, 40661922, 54215896, 58088460, 67769870, 81323844, 101654805, 116176920, 135539740, 162647688, 203309610, 271079480, 406619220, 813238440]

約数ペア:

[(1, 813238440), (2, 406619220), (3, 271079480), (4, 203309610), (5, 162647688), (6, 135539740), (7, 116176920), (8, 101654805), (10, 81323844), (12, 67769870), (14, 58088460), (15, 54215896), (20, 40661922), (21, 38725640), (24, 33884935), (28, 29044230), (30, 27107948), (35, 23235384), (40, 20330961), (42, 19362820), (56, 14522115), (60, 13553974), (70, 11617692), (84, 9681410), (105, 7745128), (120, 6776987), (140, 5808846), (168, 4840705), (210, 3872564), (280, 2904423), (420, 1936282), (840, 968141)]