31163440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5059}}^1$

素因数の和:5090

約数の個数: 80

約数和(自身を含む): 90351360

約数和(自身を除く): 59187920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 5059, 6160, 10118, 20236, 25295, 35413, 40472, 50590, 55649, 70826, 80944, 101180, 111298, 141652, 177065, 202360, 222596, 278245, 283304, 354130, 389543, 404720, 445192, 556490, 566608, 708260, 779086, 890384, 1112980, 1416520, 1558172, 1947715, 2225960, 2833040, 3116344, 3895430, 4451920, 6232688, 7790860, 15581720, 31163440]

約数ペア:

[(1, 31163440), (2, 15581720), (4, 7790860), (5, 6232688), (7, 4451920), (8, 3895430), (10, 3116344), (11, 2833040), (14, 2225960), (16, 1947715), (20, 1558172), (22, 1416520), (28, 1112980), (35, 890384), (40, 779086), (44, 708260), (55, 566608), (56, 556490), (70, 445192), (77, 404720), (80, 389543), (88, 354130), (110, 283304), (112, 278245), (140, 222596), (154, 202360), (176, 177065), (220, 141652), (280, 111298), (308, 101180), (385, 80944), (440, 70826), (560, 55649), (616, 50590), (770, 40472), (880, 35413), (1232, 25295), (1540, 20236), (3080, 10118), (5059, 6160)]