168397740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{133649}}^1$

素因数の和:133671

約数の個数: 72

約数和(自身を含む): 583783200

約数和(自身を除く): 415385460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 133649, 267298, 400947, 534596, 668245, 801894, 935543, 1202841, 1336490, 1603788, 1871086, 2004735, 2405682, 2672980, 2806629, 3742172, 4009470, 4677715, 4811364, 5613258, 6014205, 8018940, 8419887, 9355430, 11226516, 12028410, 14033145, 16839774, 18710860, 24056820, 28066290, 33679548, 42099435, 56132580, 84198870, 168397740]

約数ペア:

[(1, 168397740), (2, 84198870), (3, 56132580), (4, 42099435), (5, 33679548), (6, 28066290), (7, 24056820), (9, 18710860), (10, 16839774), (12, 14033145), (14, 12028410), (15, 11226516), (18, 9355430), (20, 8419887), (21, 8018940), (28, 6014205), (30, 5613258), (35, 4811364), (36, 4677715), (42, 4009470), (45, 3742172), (60, 2806629), (63, 2672980), (70, 2405682), (84, 2004735), (90, 1871086), (105, 1603788), (126, 1336490), (140, 1202841), (180, 935543), (210, 801894), (252, 668245), (315, 534596), (420, 400947), (630, 267298), (1260, 133649)]