1812580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 4826304

約数和(自身を除く): 3013724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 121, 140, 154, 214, 220, 242, 308, 385, 428, 484, 535, 605, 749, 770, 847, 1070, 1177, 1210, 1498, 1540, 1694, 2140, 2354, 2420, 2996, 3388, 3745, 4235, 4708, 5885, 7490, 8239, 8470, 11770, 12947, 14980, 16478, 16940, 23540, 25894, 32956, 41195, 51788, 64735, 82390, 90629, 129470, 164780, 181258, 258940, 362516, 453145, 906290, 1812580]

約数ペア:

[(1, 1812580), (2, 906290), (4, 453145), (5, 362516), (7, 258940), (10, 181258), (11, 164780), (14, 129470), (20, 90629), (22, 82390), (28, 64735), (35, 51788), (44, 41195), (55, 32956), (70, 25894), (77, 23540), (107, 16940), (110, 16478), (121, 14980), (140, 12947), (154, 11770), (214, 8470), (220, 8239), (242, 7490), (308, 5885), (385, 4708), (428, 4235), (484, 3745), (535, 3388), (605, 2996), (749, 2420), (770, 2354), (847, 2140), (1070, 1694), (1177, 1540), (1210, 1498)]