71318720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20261}}^1$

素因数の和:20289

約数の個数: 56

約数和(自身を含む): 185275728

約数和(自身を除く): 113957008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20261, 40522, 81044, 101305, 162088, 202610, 222871, 324176, 405220, 445742, 648352, 810440, 891484, 1114355, 1296704, 1620880, 1782968, 2228710, 3241760, 3565936, 4457420, 6483520, 7131872, 8914840, 14263744, 17829680, 35659360, 71318720]

約数ペア:

[(1, 71318720), (2, 35659360), (4, 17829680), (5, 14263744), (8, 8914840), (10, 7131872), (11, 6483520), (16, 4457420), (20, 3565936), (22, 3241760), (32, 2228710), (40, 1782968), (44, 1620880), (55, 1296704), (64, 1114355), (80, 891484), (88, 810440), (110, 648352), (160, 445742), (176, 405220), (220, 324176), (320, 222871), (352, 202610), (440, 162088), (704, 101305), (880, 81044), (1760, 40522), (3520, 20261)]