78894080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 88

約数和(自身を含む): 199459680

約数和(自身を除く): 120565600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 811, 1024, 1216, 1280, 1520, 1622, 2432, 2560, 3040, 3244, 4055, 4864, 5120, 6080, 6488, 8110, 9728, 12160, 12976, 15409, 16220, 19456, 24320, 25952, 30818, 32440, 48640, 51904, 61636, 64880, 77045, 97280, 103808, 123272, 129760, 154090, 207616, 246544, 259520, 308180, 415232, 493088, 519040, 616360, 830464, 986176, 1038080, 1232720, 1972352, 2076160, 2465440, 3944704, 4152320, 4930880, 7889408, 9861760, 15778816, 19723520, 39447040, 78894080]

約数ペア:

[(1, 78894080), (2, 39447040), (4, 19723520), (5, 15778816), (8, 9861760), (10, 7889408), (16, 4930880), (19, 4152320), (20, 3944704), (32, 2465440), (38, 2076160), (40, 1972352), (64, 1232720), (76, 1038080), (80, 986176), (95, 830464), (128, 616360), (152, 519040), (160, 493088), (190, 415232), (256, 308180), (304, 259520), (320, 246544), (380, 207616), (512, 154090), (608, 129760), (640, 123272), (760, 103808), (811, 97280), (1024, 77045), (1216, 64880), (1280, 61636), (1520, 51904), (1622, 48640), (2432, 32440), (2560, 30818), (3040, 25952), (3244, 24320), (4055, 19456), (4864, 16220), (5120, 15409), (6080, 12976), (6488, 12160), (8110, 9728)]