55938780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{310771}}^1$

素因数の和:310786

約数の個数: 36

約数和(自身を含む): 169681512

約数和(自身を除く): 113742732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 310771, 621542, 932313, 1243084, 1553855, 1864626, 2796939, 3107710, 3729252, 4661565, 5593878, 6215420, 9323130, 11187756, 13984695, 18646260, 27969390, 55938780]

約数ペア:

[(1, 55938780), (2, 27969390), (3, 18646260), (4, 13984695), (5, 11187756), (6, 9323130), (9, 6215420), (10, 5593878), (12, 4661565), (15, 3729252), (18, 3107710), (20, 2796939), (30, 1864626), (36, 1553855), (45, 1243084), (60, 932313), (90, 621542), (180, 310771)]