71702840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1523}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 177759360

約数和(自身を除く): 106056520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 1523, 2140, 2354, 3046, 4280, 4708, 5885, 6092, 7615, 9416, 11770, 12184, 15230, 16753, 23540, 30460, 33506, 47080, 60920, 67012, 83765, 134024, 162961, 167530, 325922, 335060, 651844, 670120, 814805, 1303688, 1629610, 1792571, 3259220, 3585142, 6518440, 7170284, 8962855, 14340568, 17925710, 35851420, 71702840]

約数ペア:

[(1, 71702840), (2, 35851420), (4, 17925710), (5, 14340568), (8, 8962855), (10, 7170284), (11, 6518440), (20, 3585142), (22, 3259220), (40, 1792571), (44, 1629610), (55, 1303688), (88, 814805), (107, 670120), (110, 651844), (214, 335060), (220, 325922), (428, 167530), (440, 162961), (535, 134024), (856, 83765), (1070, 67012), (1177, 60920), (1523, 47080), (2140, 33506), (2354, 30460), (3046, 23540), (4280, 16753), (4708, 15230), (5885, 12184), (6092, 11770), (7615, 9416)]