31502940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 101896704

約数和(自身を除く): 70393764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 701, 749, 1070, 1284, 1402, 1498, 1605, 2103, 2140, 2247, 2804, 2996, 3210, 3505, 3745, 4206, 4494, 4907, 6420, 7010, 7490, 8412, 8988, 9814, 10515, 11235, 14020, 14721, 14980, 19628, 21030, 22470, 24535, 29442, 42060, 44940, 49070, 58884, 73605, 75007, 98140, 147210, 150014, 225021, 294420, 300028, 375035, 450042, 525049, 750070, 900084, 1050098, 1125105, 1500140, 1575147, 2100196, 2250210, 2625245, 3150294, 4500420, 5250490, 6300588, 7875735, 10500980, 15751470, 31502940]

約数ペア:

[(1, 31502940), (2, 15751470), (3, 10500980), (4, 7875735), (5, 6300588), (6, 5250490), (7, 4500420), (10, 3150294), (12, 2625245), (14, 2250210), (15, 2100196), (20, 1575147), (21, 1500140), (28, 1125105), (30, 1050098), (35, 900084), (42, 750070), (60, 525049), (70, 450042), (84, 375035), (105, 300028), (107, 294420), (140, 225021), (210, 150014), (214, 147210), (321, 98140), (420, 75007), (428, 73605), (535, 58884), (642, 49070), (701, 44940), (749, 42060), (1070, 29442), (1284, 24535), (1402, 22470), (1498, 21030), (1605, 19628), (2103, 14980), (2140, 14721), (2247, 14020), (2804, 11235), (2996, 10515), (3210, 9814), (3505, 8988), (3745, 8412), (4206, 7490), (4494, 7010), (4907, 6420)]