68152980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162269}}^1$

素因数の和:162288

約数の個数: 48

約数和(自身を含む): 218090880

約数和(自身を除く): 149937900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162269, 324538, 486807, 649076, 811345, 973614, 1135883, 1622690, 1947228, 2271766, 2434035, 3245380, 3407649, 4543532, 4868070, 5679415, 6815298, 9736140, 11358830, 13630596, 17038245, 22717660, 34076490, 68152980]

約数ペア:

[(1, 68152980), (2, 34076490), (3, 22717660), (4, 17038245), (5, 13630596), (6, 11358830), (7, 9736140), (10, 6815298), (12, 5679415), (14, 4868070), (15, 4543532), (20, 3407649), (21, 3245380), (28, 2434035), (30, 2271766), (35, 1947228), (42, 1622690), (60, 1135883), (70, 973614), (84, 811345), (105, 649076), (140, 486807), (210, 324538), (420, 162269)]