287031780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2129}}^1$

素因数の和:2258

約数の個数: 144

約数和(自身を含む): 1004814720

約数和(自身を除く): 717782940

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, 107, 126, 140, 180, 210, 214, 252, 315, 321, 420, 428, 535, 630, 642, 749, 963, 1070, 1260, 1284, 1498, 1605, 1926, 2129, 2140, 2247, 2996, 3210, 3745, 3852, 4258, 4494, 4815, 6387, 6420, 6741, 7490, 8516, 8988, 9630, 10645, 11235, 12774, 13482, 14903, 14980, 19161, 19260, 21290, 22470, 25548, 26964, 29806, 31935, 33705, 38322, 42580, 44709, 44940, 59612, 63870, 67410, 74515, 76644, 89418, 95805, 127740, 134127, 134820, 149030, 178836, 191610, 223545, 227803, 268254, 298060, 383220, 447090, 455606, 536508, 670635, 683409, 894180, 911212, 1139015, 1341270, 1366818, 1594621, 2050227, 2278030, 2682540, 2733636, 3189242, 3417045, 4100454, 4556060, 4783863, 6378484, 6834090, 7973105, 8200908, 9567726, 10251135, 13668180, 14351589, 15946210, 19135452, 20502270, 23919315, 28703178, 31892420, 41004540, 47838630, 57406356, 71757945, 95677260, 143515890, 287031780]

約数ペア:

[(1, 287031780), (2, 143515890), (3, 95677260), (4, 71757945), (5, 57406356), (6, 47838630), (7, 41004540), (9, 31892420), (10, 28703178), (12, 23919315), (14, 20502270), (15, 19135452), (18, 15946210), (20, 14351589), (21, 13668180), (28, 10251135), (30, 9567726), (35, 8200908), (36, 7973105), (42, 6834090), (45, 6378484), (60, 4783863), (63, 4556060), (70, 4100454), (84, 3417045), (90, 3189242), (105, 2733636), (107, 2682540), (126, 2278030), (140, 2050227), (180, 1594621), (210, 1366818), (214, 1341270), (252, 1139015), (315, 911212), (321, 894180), (420, 683409), (428, 670635), (535, 536508), (630, 455606), (642, 447090), (749, 383220), (963, 298060), (1070, 268254), (1260, 227803), (1284, 223545), (1498, 191610), (1605, 178836), (1926, 149030), (2129, 134820), (2140, 134127), (2247, 127740), (2996, 95805), (3210, 89418), (3745, 76644), (3852, 74515), (4258, 67410), (4494, 63870), (4815, 59612), (6387, 44940), (6420, 44709), (6741, 42580), (7490, 38322), (8516, 33705), (8988, 31935), (9630, 29806), (10645, 26964), (11235, 25548), (12774, 22470), (13482, 21290), (14903, 19260), (14980, 19161)]