72141760

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1493}}^1$

素因数の和:1661

約数の個数: 56

約数和(自身を含む): 173041056

約数和(自身を除く): 100899296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1493, 1510, 2416, 2986, 3020, 4832, 5972, 6040, 7465, 9664, 11944, 12080, 14930, 23888, 24160, 29860, 47776, 48320, 59720, 95552, 119440, 225443, 238880, 450886, 477760, 901772, 1127215, 1803544, 2254430, 3607088, 4508860, 7214176, 9017720, 14428352, 18035440, 36070880, 72141760]

約数ペア:

[(1, 72141760), (2, 36070880), (4, 18035440), (5, 14428352), (8, 9017720), (10, 7214176), (16, 4508860), (20, 3607088), (32, 2254430), (40, 1803544), (64, 1127215), (80, 901772), (151, 477760), (160, 450886), (302, 238880), (320, 225443), (604, 119440), (755, 95552), (1208, 59720), (1493, 48320), (1510, 47776), (2416, 29860), (2986, 24160), (3020, 23888), (4832, 14930), (5972, 12080), (6040, 11944), (7465, 9664)]