75106640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1980

約数の個数: 80

約数和(自身を含む): 202487040

約数和(自身を除く): 127380400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1889, 1988, 2485, 2840, 3778, 3976, 4970, 5680, 7556, 7952, 9445, 9940, 13223, 15112, 18890, 19880, 26446, 30224, 37780, 39760, 52892, 66115, 75560, 105784, 132230, 134119, 151120, 211568, 264460, 268238, 528920, 536476, 670595, 938833, 1057840, 1072952, 1341190, 1877666, 2145904, 2682380, 3755332, 4694165, 5364760, 7510664, 9388330, 10729520, 15021328, 18776660, 37553320, 75106640]

約数ペア:

[(1, 75106640), (2, 37553320), (4, 18776660), (5, 15021328), (7, 10729520), (8, 9388330), (10, 7510664), (14, 5364760), (16, 4694165), (20, 3755332), (28, 2682380), (35, 2145904), (40, 1877666), (56, 1341190), (70, 1072952), (71, 1057840), (80, 938833), (112, 670595), (140, 536476), (142, 528920), (280, 268238), (284, 264460), (355, 211568), (497, 151120), (560, 134119), (568, 132230), (710, 105784), (994, 75560), (1136, 66115), (1420, 52892), (1889, 39760), (1988, 37780), (2485, 30224), (2840, 26446), (3778, 19880), (3976, 18890), (4970, 15112), (5680, 13223), (7556, 9940), (7952, 9445)]