71455280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 180655104

約数和(自身を除く): 109199824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 541, 635, 1016, 1040, 1082, 1270, 1651, 2032, 2164, 2540, 2705, 3302, 4328, 5080, 5410, 6604, 7033, 8255, 8656, 10160, 10820, 13208, 14066, 16510, 21640, 26416, 28132, 33020, 35165, 43280, 56264, 66040, 68707, 70330, 112528, 132080, 137414, 140660, 274828, 281320, 343535, 549656, 562640, 687070, 893191, 1099312, 1374140, 1786382, 2748280, 3572764, 4465955, 5496560, 7145528, 8931910, 14291056, 17863820, 35727640, 71455280]

約数ペア:

[(1, 71455280), (2, 35727640), (4, 17863820), (5, 14291056), (8, 8931910), (10, 7145528), (13, 5496560), (16, 4465955), (20, 3572764), (26, 2748280), (40, 1786382), (52, 1374140), (65, 1099312), (80, 893191), (104, 687070), (127, 562640), (130, 549656), (208, 343535), (254, 281320), (260, 274828), (508, 140660), (520, 137414), (541, 132080), (635, 112528), (1016, 70330), (1040, 68707), (1082, 66040), (1270, 56264), (1651, 43280), (2032, 35165), (2164, 33020), (2540, 28132), (2705, 26416), (3302, 21640), (4328, 16510), (5080, 14066), (5410, 13208), (6604, 10820), (7033, 10160), (8255, 8656)]