181454780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 433520640

約数和(自身を除く): 252065860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 155, 188, 235, 260, 310, 403, 470, 479, 611, 620, 806, 940, 958, 1222, 1457, 1612, 1916, 2015, 2395, 2444, 2914, 3055, 4030, 4790, 5828, 6110, 6227, 7285, 8060, 9580, 12220, 12454, 14570, 14849, 18941, 22513, 24908, 29140, 29698, 31135, 37882, 45026, 59396, 62270, 74245, 75764, 90052, 94705, 112565, 124540, 148490, 189410, 193037, 225130, 292669, 296980, 378820, 386074, 450260, 585338, 697903, 772148, 965185, 1170676, 1395806, 1463345, 1930370, 2791612, 2926690, 3489515, 3860740, 5853380, 6979030, 9072739, 13958060, 18145478, 36290956, 45363695, 90727390, 181454780]

約数ペア:

[(1, 181454780), (2, 90727390), (4, 45363695), (5, 36290956), (10, 18145478), (13, 13958060), (20, 9072739), (26, 6979030), (31, 5853380), (47, 3860740), (52, 3489515), (62, 2926690), (65, 2791612), (94, 1930370), (124, 1463345), (130, 1395806), (155, 1170676), (188, 965185), (235, 772148), (260, 697903), (310, 585338), (403, 450260), (470, 386074), (479, 378820), (611, 296980), (620, 292669), (806, 225130), (940, 193037), (958, 189410), (1222, 148490), (1457, 124540), (1612, 112565), (1916, 94705), (2015, 90052), (2395, 75764), (2444, 74245), (2914, 62270), (3055, 59396), (4030, 45026), (4790, 37882), (5828, 31135), (6110, 29698), (6227, 29140), (7285, 24908), (8060, 22513), (9580, 18941), (12220, 14849), (12454, 14570)]