72131600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9528

約数の個数: 60

約数和(自身を含む): 182436240

約数和(自身を除く): 110304640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 9491, 18982, 37964, 47455, 75928, 94910, 151856, 180329, 189820, 237275, 360658, 379640, 474550, 721316, 759280, 901645, 949100, 1442632, 1803290, 1898200, 2885264, 3606580, 3796400, 4508225, 7213160, 9016450, 14426320, 18032900, 36065800, 72131600]

約数ペア:

[(1, 72131600), (2, 36065800), (4, 18032900), (5, 14426320), (8, 9016450), (10, 7213160), (16, 4508225), (19, 3796400), (20, 3606580), (25, 2885264), (38, 1898200), (40, 1803290), (50, 1442632), (76, 949100), (80, 901645), (95, 759280), (100, 721316), (152, 474550), (190, 379640), (200, 360658), (304, 237275), (380, 189820), (400, 180329), (475, 151856), (760, 94910), (950, 75928), (1520, 47455), (1900, 37964), (3800, 18982), (7600, 9491)]