648308760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6217}}^1$

素因数の和:6321

約数の個数: 128

約数和(自身を含む): 2148940800

約数和(自身を除く): 1500632040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 660, 790, 869, 948, 1185, 1320, 1580, 1738, 1896, 2370, 2607, 3160, 3476, 4345, 4740, 5214, 6217, 6952, 8690, 9480, 10428, 12434, 13035, 17380, 18651, 20856, 24868, 26070, 31085, 34760, 37302, 49736, 52140, 62170, 68387, 74604, 93255, 104280, 124340, 136774, 149208, 186510, 205161, 248680, 273548, 341935, 373020, 410322, 491143, 547096, 683870, 746040, 820644, 982286, 1025805, 1367740, 1473429, 1641288, 1964572, 2051610, 2455715, 2735480, 2946858, 3929144, 4103220, 4911430, 5402573, 5893716, 7367145, 8206440, 9822860, 10805146, 11787432, 14734290, 16207719, 19645720, 21610292, 27012865, 29468580, 32415438, 43220584, 54025730, 58937160, 64830876, 81038595, 108051460, 129661752, 162077190, 216102920, 324154380, 648308760]

約数ペア:

[(1, 648308760), (2, 324154380), (3, 216102920), (4, 162077190), (5, 129661752), (6, 108051460), (8, 81038595), (10, 64830876), (11, 58937160), (12, 54025730), (15, 43220584), (20, 32415438), (22, 29468580), (24, 27012865), (30, 21610292), (33, 19645720), (40, 16207719), (44, 14734290), (55, 11787432), (60, 10805146), (66, 9822860), (79, 8206440), (88, 7367145), (110, 5893716), (120, 5402573), (132, 4911430), (158, 4103220), (165, 3929144), (220, 2946858), (237, 2735480), (264, 2455715), (316, 2051610), (330, 1964572), (395, 1641288), (440, 1473429), (474, 1367740), (632, 1025805), (660, 982286), (790, 820644), (869, 746040), (948, 683870), (1185, 547096), (1320, 491143), (1580, 410322), (1738, 373020), (1896, 341935), (2370, 273548), (2607, 248680), (3160, 205161), (3476, 186510), (4345, 149208), (4740, 136774), (5214, 124340), (6217, 104280), (6952, 93255), (8690, 74604), (9480, 68387), (10428, 62170), (12434, 52140), (13035, 49736), (17380, 37302), (18651, 34760), (20856, 31085), (24868, 26070)]