31551264

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1630

約数の個数: 72

約数和(自身を含む): 91046592

約数和(自身を除く): 59495328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1543, 1704, 2272, 2556, 3086, 3408, 4629, 5112, 6172, 6816, 9258, 10224, 12344, 13887, 18516, 20448, 24688, 27774, 37032, 49376, 55548, 74064, 109553, 111096, 148128, 219106, 222192, 328659, 438212, 444384, 657318, 876424, 985977, 1314636, 1752848, 1971954, 2629272, 3505696, 3943908, 5258544, 7887816, 10517088, 15775632, 31551264]

約数ペア:

[(1, 31551264), (2, 15775632), (3, 10517088), (4, 7887816), (6, 5258544), (8, 3943908), (9, 3505696), (12, 2629272), (16, 1971954), (18, 1752848), (24, 1314636), (32, 985977), (36, 876424), (48, 657318), (71, 444384), (72, 438212), (96, 328659), (142, 222192), (144, 219106), (213, 148128), (284, 111096), (288, 109553), (426, 74064), (568, 55548), (639, 49376), (852, 37032), (1136, 27774), (1278, 24688), (1543, 20448), (1704, 18516), (2272, 13887), (2556, 12344), (3086, 10224), (3408, 9258), (4629, 6816), (5112, 6172)]