72769280

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 175988400

約数和(自身を除く): 103219120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 409, 556, 640, 695, 818, 1112, 1280, 1390, 1636, 2045, 2224, 2780, 3272, 4090, 4448, 5560, 6544, 8180, 8896, 11120, 13088, 16360, 17792, 22240, 26176, 32720, 35584, 44480, 52352, 56851, 65440, 88960, 104704, 113702, 130880, 177920, 227404, 261760, 284255, 454808, 523520, 568510, 909616, 1137020, 1819232, 2274040, 3638464, 4548080, 7276928, 9096160, 14553856, 18192320, 36384640, 72769280]

約数ペア:

[(1, 72769280), (2, 36384640), (4, 18192320), (5, 14553856), (8, 9096160), (10, 7276928), (16, 4548080), (20, 3638464), (32, 2274040), (40, 1819232), (64, 1137020), (80, 909616), (128, 568510), (139, 523520), (160, 454808), (256, 284255), (278, 261760), (320, 227404), (409, 177920), (556, 130880), (640, 113702), (695, 104704), (818, 88960), (1112, 65440), (1280, 56851), (1390, 52352), (1636, 44480), (2045, 35584), (2224, 32720), (2780, 26176), (3272, 22240), (4090, 17792), (4448, 16360), (5560, 13088), (6544, 11120), (8180, 8896)]