256649796

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1120

約数の個数: 144

約数和(自身を含む): 763380800

約数和(自身を除く): 506731004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 243, 247, 324, 342, 351, 468, 486, 494, 513, 684, 702, 741, 972, 988, 1026, 1053, 1069, 1404, 1482, 1539, 2052, 2106, 2138, 2223, 2964, 3078, 3159, 3207, 4212, 4276, 4446, 4617, 6156, 6318, 6414, 6669, 8892, 9234, 9621, 12636, 12828, 13338, 13897, 18468, 19242, 20007, 20311, 26676, 27794, 28863, 38484, 40014, 40622, 41691, 55588, 57726, 60021, 60933, 80028, 81244, 83382, 86589, 115452, 120042, 121866, 125073, 166764, 173178, 182799, 240084, 243732, 250146, 259767, 264043, 346356, 365598, 375219, 500292, 519534, 528086, 548397, 731196, 750438, 792129, 1039068, 1056172, 1096794, 1125657, 1500876, 1584258, 1645191, 2193588, 2251314, 2376387, 3168516, 3290382, 3376971, 4502628, 4752774, 4935573, 6580764, 6753942, 7129161, 9505548, 9871146, 13507884, 14258322, 19742292, 21387483, 28516644, 42774966, 64162449, 85549932, 128324898, 256649796]

約数ペア:

[(1, 256649796), (2, 128324898), (3, 85549932), (4, 64162449), (6, 42774966), (9, 28516644), (12, 21387483), (13, 19742292), (18, 14258322), (19, 13507884), (26, 9871146), (27, 9505548), (36, 7129161), (38, 6753942), (39, 6580764), (52, 4935573), (54, 4752774), (57, 4502628), (76, 3376971), (78, 3290382), (81, 3168516), (108, 2376387), (114, 2251314), (117, 2193588), (156, 1645191), (162, 1584258), (171, 1500876), (228, 1125657), (234, 1096794), (243, 1056172), (247, 1039068), (324, 792129), (342, 750438), (351, 731196), (468, 548397), (486, 528086), (494, 519534), (513, 500292), (684, 375219), (702, 365598), (741, 346356), (972, 264043), (988, 259767), (1026, 250146), (1053, 243732), (1069, 240084), (1404, 182799), (1482, 173178), (1539, 166764), (2052, 125073), (2106, 121866), (2138, 120042), (2223, 115452), (2964, 86589), (3078, 83382), (3159, 81244), (3207, 80028), (4212, 60933), (4276, 60021), (4446, 57726), (4617, 55588), (6156, 41691), (6318, 40622), (6414, 40014), (6669, 38484), (8892, 28863), (9234, 27794), (9621, 26676), (12636, 20311), (12828, 20007), (13338, 19242), (13897, 18468)]