78605440

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{467}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 189034560

約数和(自身を除く): 110429120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 467, 526, 640, 934, 1052, 1315, 1868, 2104, 2335, 2630, 3736, 4208, 4670, 5260, 7472, 8416, 9340, 10520, 14944, 16832, 18680, 21040, 29888, 33664, 37360, 42080, 59776, 74720, 84160, 122821, 149440, 168320, 245642, 298880, 491284, 614105, 982568, 1228210, 1965136, 2456420, 3930272, 4912840, 7860544, 9825680, 15721088, 19651360, 39302720, 78605440]

約数ペア:

[(1, 78605440), (2, 39302720), (4, 19651360), (5, 15721088), (8, 9825680), (10, 7860544), (16, 4912840), (20, 3930272), (32, 2456420), (40, 1965136), (64, 1228210), (80, 982568), (128, 614105), (160, 491284), (263, 298880), (320, 245642), (467, 168320), (526, 149440), (640, 122821), (934, 84160), (1052, 74720), (1315, 59776), (1868, 42080), (2104, 37360), (2335, 33664), (2630, 29888), (3736, 21040), (4208, 18680), (4670, 16832), (5260, 14944), (7472, 10520), (8416, 9340)]