1680973280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21139}}^1$

素因数の和:21232

約数の個数: 96

約数和(自身を含む): 4602769920

約数和(自身を除く): 2921796640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2272, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 11360, 15904, 19880, 21139, 39760, 42278, 79520, 84556, 105695, 147973, 169112, 211390, 295946, 338224, 422780, 591892, 676448, 739865, 845560, 1183784, 1479730, 1500869, 1691120, 2367568, 2959460, 3001738, 3382240, 4735136, 5918920, 6003476, 7504345, 10506083, 11837840, 12006952, 15008690, 21012166, 23675680, 24013904, 30017380, 42024332, 48027808, 52530415, 60034760, 84048664, 105060830, 120069520, 168097328, 210121660, 240139040, 336194656, 420243320, 840486640, 1680973280]

約数ペア:

[(1, 1680973280), (2, 840486640), (4, 420243320), (5, 336194656), (7, 240139040), (8, 210121660), (10, 168097328), (14, 120069520), (16, 105060830), (20, 84048664), (28, 60034760), (32, 52530415), (35, 48027808), (40, 42024332), (56, 30017380), (70, 24013904), (71, 23675680), (80, 21012166), (112, 15008690), (140, 12006952), (142, 11837840), (160, 10506083), (224, 7504345), (280, 6003476), (284, 5918920), (355, 4735136), (497, 3382240), (560, 3001738), (568, 2959460), (710, 2367568), (994, 1691120), (1120, 1500869), (1136, 1479730), (1420, 1183784), (1988, 845560), (2272, 739865), (2485, 676448), (2840, 591892), (3976, 422780), (4970, 338224), (5680, 295946), (7952, 211390), (9940, 169112), (11360, 147973), (15904, 105695), (19880, 84556), (21139, 79520), (39760, 42278)]