31401180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4115

約数の個数: 72

約数和(自身を含む): 97489392

約数和(自身を除く): 66088212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 4057, 7740, 8114, 12171, 16228, 20285, 24342, 36513, 40570, 48684, 60855, 73026, 81140, 121710, 146052, 174451, 182565, 243420, 348902, 365130, 523353, 697804, 730260, 872255, 1046706, 1570059, 1744510, 2093412, 2616765, 3140118, 3489020, 5233530, 6280236, 7850295, 10467060, 15700590, 31401180]

約数ペア:

[(1, 31401180), (2, 15700590), (3, 10467060), (4, 7850295), (5, 6280236), (6, 5233530), (9, 3489020), (10, 3140118), (12, 2616765), (15, 2093412), (18, 1744510), (20, 1570059), (30, 1046706), (36, 872255), (43, 730260), (45, 697804), (60, 523353), (86, 365130), (90, 348902), (129, 243420), (172, 182565), (180, 174451), (215, 146052), (258, 121710), (387, 81140), (430, 73026), (516, 60855), (645, 48684), (774, 40570), (860, 36513), (1290, 24342), (1548, 20285), (1935, 16228), (2580, 12171), (3870, 8114), (4057, 7740)]