668897880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{796307}}^1$

素因数の和:796328

約数の個数: 64

約数和(自身を含む): 2293367040

約数和(自身を除く): 1624469160

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, 796307, 1592614, 2388921, 3185228, 3981535, 4777842, 5574149, 6370456, 7963070, 9555684, 11148298, 11944605, 15926140, 16722447, 19111368, 22296596, 23889210, 27870745, 31852280, 33444894, 44593192, 47778420, 55741490, 66889788, 83612235, 95556840, 111482980, 133779576, 167224470, 222965960, 334448940, 668897880]

約数ペア:

[(1, 668897880), (2, 334448940), (3, 222965960), (4, 167224470), (5, 133779576), (6, 111482980), (7, 95556840), (8, 83612235), (10, 66889788), (12, 55741490), (14, 47778420), (15, 44593192), (20, 33444894), (21, 31852280), (24, 27870745), (28, 23889210), (30, 22296596), (35, 19111368), (40, 16722447), (42, 15926140), (56, 11944605), (60, 11148298), (70, 9555684), (84, 7963070), (105, 6370456), (120, 5574149), (140, 4777842), (168, 3981535), (210, 3185228), (280, 2388921), (420, 1592614), (840, 796307)]