31880340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{177113}}^1$

素因数の和:177128

約数の個数: 36

約数和(自身を含む): 96704244

約数和(自身を除く): 64823904

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 177113, 354226, 531339, 708452, 885565, 1062678, 1594017, 1771130, 2125356, 2656695, 3188034, 3542260, 5313390, 6376068, 7970085, 10626780, 15940170, 31880340]

約数ペア:

[(1, 31880340), (2, 15940170), (3, 10626780), (4, 7970085), (5, 6376068), (6, 5313390), (9, 3542260), (10, 3188034), (12, 2656695), (15, 2125356), (18, 1771130), (20, 1594017), (30, 1062678), (36, 885565), (45, 708452), (60, 531339), (90, 354226), (180, 177113)]