70081960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 170755200

約数和(自身を除く): 100673240

約数列:

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

約数ペア:

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