31128251680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{25609}}^1$

素因数の和:25802

約数の個数: 96

約数和(自身を含む): 75276190080

約数和(自身を除く): 44147938400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 107, 142, 160, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1136, 1420, 1712, 2140, 2272, 2840, 3424, 4280, 5680, 7597, 8560, 11360, 15194, 17120, 25609, 30388, 37985, 51218, 60776, 75970, 102436, 121552, 128045, 151940, 204872, 243104, 256090, 303880, 409744, 512180, 607760, 819488, 1024360, 1215520, 1818239, 2048720, 2740163, 3636478, 4097440, 5480326, 7272956, 9091195, 10960652, 13700815, 14545912, 18182390, 21921304, 27401630, 29091824, 36364780, 43842608, 54803260, 58183648, 72729560, 87685216, 109606520, 145459120, 194551573, 219213040, 290918240, 389103146, 438426080, 778206292, 972757865, 1556412584, 1945515730, 3112825168, 3891031460, 6225650336, 7782062920, 15564125840, 31128251680]

約数ペア:

[(1, 31128251680), (2, 15564125840), (4, 7782062920), (5, 6225650336), (8, 3891031460), (10, 3112825168), (16, 1945515730), (20, 1556412584), (32, 972757865), (40, 778206292), (71, 438426080), (80, 389103146), (107, 290918240), (142, 219213040), (160, 194551573), (214, 145459120), (284, 109606520), (355, 87685216), (428, 72729560), (535, 58183648), (568, 54803260), (710, 43842608), (856, 36364780), (1070, 29091824), (1136, 27401630), (1420, 21921304), (1712, 18182390), (2140, 14545912), (2272, 13700815), (2840, 10960652), (3424, 9091195), (4280, 7272956), (5680, 5480326), (7597, 4097440), (8560, 3636478), (11360, 2740163), (15194, 2048720), (17120, 1818239), (25609, 1215520), (30388, 1024360), (37985, 819488), (51218, 607760), (60776, 512180), (75970, 409744), (102436, 303880), (121552, 256090), (128045, 243104), (151940, 204872)]