140163920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 352894080

約数和(自身を除く): 212730160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 307, 439, 520, 614, 878, 1040, 1228, 1535, 1756, 2195, 2456, 3070, 3512, 3991, 4390, 4912, 5707, 6140, 7024, 7982, 8780, 11414, 12280, 15964, 17560, 19955, 22828, 24560, 28535, 31928, 35120, 39910, 45656, 57070, 63856, 79820, 91312, 114140, 134773, 159640, 228280, 269546, 319280, 456560, 539092, 673865, 1078184, 1347730, 1752049, 2156368, 2695460, 3504098, 5390920, 7008196, 8760245, 10781840, 14016392, 17520490, 28032784, 35040980, 70081960, 140163920]

約数ペア:

[(1, 140163920), (2, 70081960), (4, 35040980), (5, 28032784), (8, 17520490), (10, 14016392), (13, 10781840), (16, 8760245), (20, 7008196), (26, 5390920), (40, 3504098), (52, 2695460), (65, 2156368), (80, 1752049), (104, 1347730), (130, 1078184), (208, 673865), (260, 539092), (307, 456560), (439, 319280), (520, 269546), (614, 228280), (878, 159640), (1040, 134773), (1228, 114140), (1535, 91312), (1756, 79820), (2195, 63856), (2456, 57070), (3070, 45656), (3512, 39910), (3991, 35120), (4390, 31928), (4912, 28535), (5707, 24560), (6140, 22828), (7024, 19955), (7982, 17560), (8780, 15964), (11414, 12280)]