84312760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2371}}^1$

素因数の和:2516

約数の個数: 64

約数和(自身を含む): 218603520

約数和(自身を除く): 134290760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2371, 2540, 3556, 4445, 4742, 5080, 7112, 8890, 9484, 11855, 16597, 17780, 18968, 23710, 33194, 35560, 47420, 66388, 82985, 94840, 132776, 165970, 301117, 331940, 602234, 663880, 1204468, 1505585, 2107819, 2408936, 3011170, 4215638, 6022340, 8431276, 10539095, 12044680, 16862552, 21078190, 42156380, 84312760]

約数ペア:

[(1, 84312760), (2, 42156380), (4, 21078190), (5, 16862552), (7, 12044680), (8, 10539095), (10, 8431276), (14, 6022340), (20, 4215638), (28, 3011170), (35, 2408936), (40, 2107819), (56, 1505585), (70, 1204468), (127, 663880), (140, 602234), (254, 331940), (280, 301117), (508, 165970), (635, 132776), (889, 94840), (1016, 82985), (1270, 66388), (1778, 47420), (2371, 35560), (2540, 33194), (3556, 23710), (4445, 18968), (4742, 17780), (5080, 16597), (7112, 11855), (8890, 9484)]