56301520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 144151488

約数和(自身を除く): 87849968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 467, 548, 685, 880, 934, 1096, 1370, 1507, 1868, 2192, 2335, 2740, 3014, 3736, 4670, 5137, 5480, 6028, 7472, 7535, 9340, 10274, 10960, 12056, 15070, 18680, 20548, 24112, 25685, 30140, 37360, 41096, 51370, 60280, 63979, 82192, 102740, 120560, 127958, 205480, 255916, 319895, 410960, 511832, 639790, 703769, 1023664, 1279580, 1407538, 2559160, 2815076, 3518845, 5118320, 5630152, 7037690, 11260304, 14075380, 28150760, 56301520]

約数ペア:

[(1, 56301520), (2, 28150760), (4, 14075380), (5, 11260304), (8, 7037690), (10, 5630152), (11, 5118320), (16, 3518845), (20, 2815076), (22, 2559160), (40, 1407538), (44, 1279580), (55, 1023664), (80, 703769), (88, 639790), (110, 511832), (137, 410960), (176, 319895), (220, 255916), (274, 205480), (440, 127958), (467, 120560), (548, 102740), (685, 82192), (880, 63979), (934, 60280), (1096, 51370), (1370, 41096), (1507, 37360), (1868, 30140), (2192, 25685), (2335, 24112), (2740, 20548), (3014, 18680), (3736, 15070), (4670, 12056), (5137, 10960), (5480, 10274), (6028, 9340), (7472, 7535)]