312238980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6911}}^1$

素因数の和:7177

約数の個数: 72

約数和(自身を含む): 951035904

約数和(自身を除く): 638796924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 6911, 7530, 9036, 11295, 13822, 15060, 20733, 22590, 27644, 34555, 41466, 45180, 62199, 69110, 82932, 103665, 124398, 138220, 207330, 248796, 310995, 414660, 621990, 1243980, 1734661, 3469322, 5203983, 6938644, 8673305, 10407966, 15611949, 17346610, 20815932, 26019915, 31223898, 34693220, 52039830, 62447796, 78059745, 104079660, 156119490, 312238980]

約数ペア:

[(1, 312238980), (2, 156119490), (3, 104079660), (4, 78059745), (5, 62447796), (6, 52039830), (9, 34693220), (10, 31223898), (12, 26019915), (15, 20815932), (18, 17346610), (20, 15611949), (30, 10407966), (36, 8673305), (45, 6938644), (60, 5203983), (90, 3469322), (180, 1734661), (251, 1243980), (502, 621990), (753, 414660), (1004, 310995), (1255, 248796), (1506, 207330), (2259, 138220), (2510, 124398), (3012, 103665), (3765, 82932), (4518, 69110), (5020, 62199), (6911, 45180), (7530, 41466), (9036, 34555), (11295, 27644), (13822, 22590), (15060, 20733)]