71013880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11027}}^1$

素因数の和:11068

約数の個数: 64

約数和(自身を含む): 190563840

約数和(自身を除く): 119549960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 11027, 22054, 44108, 55135, 77189, 88216, 110270, 154378, 220540, 253621, 308756, 385945, 441080, 507242, 617512, 771890, 1014484, 1268105, 1543780, 1775347, 2028968, 2536210, 3087560, 3550694, 5072420, 7101388, 8876735, 10144840, 14202776, 17753470, 35506940, 71013880]

約数ペア:

[(1, 71013880), (2, 35506940), (4, 17753470), (5, 14202776), (7, 10144840), (8, 8876735), (10, 7101388), (14, 5072420), (20, 3550694), (23, 3087560), (28, 2536210), (35, 2028968), (40, 1775347), (46, 1543780), (56, 1268105), (70, 1014484), (92, 771890), (115, 617512), (140, 507242), (161, 441080), (184, 385945), (230, 308756), (280, 253621), (322, 220540), (460, 154378), (644, 110270), (805, 88216), (920, 77189), (1288, 55135), (1610, 44108), (3220, 22054), (6440, 11027)]