87671920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3331}}^1$

素因数の和:3398

約数の個数: 80

約数和(自身を含む): 237984768

約数和(自身を除く): 150312848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3331, 3760, 5264, 6580, 6662, 13160, 13324, 16655, 23317, 26320, 26648, 33310, 46634, 53296, 66620, 93268, 116585, 133240, 156557, 186536, 233170, 266480, 313114, 373072, 466340, 626228, 782785, 932680, 1095899, 1252456, 1565570, 1865360, 2191798, 2504912, 3131140, 4383596, 5479495, 6262280, 8767192, 10958990, 12524560, 17534384, 21917980, 43835960, 87671920]

約数ペア:

[(1, 87671920), (2, 43835960), (4, 21917980), (5, 17534384), (7, 12524560), (8, 10958990), (10, 8767192), (14, 6262280), (16, 5479495), (20, 4383596), (28, 3131140), (35, 2504912), (40, 2191798), (47, 1865360), (56, 1565570), (70, 1252456), (80, 1095899), (94, 932680), (112, 782785), (140, 626228), (188, 466340), (235, 373072), (280, 313114), (329, 266480), (376, 233170), (470, 186536), (560, 156557), (658, 133240), (752, 116585), (940, 93268), (1316, 66620), (1645, 53296), (1880, 46634), (2632, 33310), (3290, 26648), (3331, 26320), (3760, 23317), (5264, 16655), (6580, 13324), (6662, 13160)]