31886820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25307}}^1$

素因数の和:25329

約数の個数: 72

約数和(自身を含む): 110545344

約数和(自身を除く): 78658524

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, 25307, 50614, 75921, 101228, 126535, 151842, 177149, 227763, 253070, 303684, 354298, 379605, 455526, 506140, 531447, 708596, 759210, 885745, 911052, 1062894, 1138815, 1518420, 1594341, 1771490, 2125788, 2277630, 2657235, 3188682, 3542980, 4555260, 5314470, 6377364, 7971705, 10628940, 15943410, 31886820]

約数ペア:

[(1, 31886820), (2, 15943410), (3, 10628940), (4, 7971705), (5, 6377364), (6, 5314470), (7, 4555260), (9, 3542980), (10, 3188682), (12, 2657235), (14, 2277630), (15, 2125788), (18, 1771490), (20, 1594341), (21, 1518420), (28, 1138815), (30, 1062894), (35, 911052), (36, 885745), (42, 759210), (45, 708596), (60, 531447), (63, 506140), (70, 455526), (84, 379605), (90, 354298), (105, 303684), (126, 253070), (140, 227763), (180, 177149), (210, 151842), (252, 126535), (315, 101228), (420, 75921), (630, 50614), (1260, 25307)]