71805920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{467}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 175665672

約数和(自身を除く): 103859752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 467, 496, 620, 934, 961, 992, 1240, 1868, 1922, 2335, 2480, 3736, 3844, 4670, 4805, 4960, 7472, 7688, 9340, 9610, 14477, 14944, 15376, 18680, 19220, 28954, 30752, 37360, 38440, 57908, 72385, 74720, 76880, 115816, 144770, 153760, 231632, 289540, 448787, 463264, 579080, 897574, 1158160, 1795148, 2243935, 2316320, 3590296, 4487870, 7180592, 8975740, 14361184, 17951480, 35902960, 71805920]

約数ペア:

[(1, 71805920), (2, 35902960), (4, 17951480), (5, 14361184), (8, 8975740), (10, 7180592), (16, 4487870), (20, 3590296), (31, 2316320), (32, 2243935), (40, 1795148), (62, 1158160), (80, 897574), (124, 579080), (155, 463264), (160, 448787), (248, 289540), (310, 231632), (467, 153760), (496, 144770), (620, 115816), (934, 76880), (961, 74720), (992, 72385), (1240, 57908), (1868, 38440), (1922, 37360), (2335, 30752), (2480, 28954), (3736, 19220), (3844, 18680), (4670, 15376), (4805, 14944), (4960, 14477), (7472, 9610), (7688, 9340)]