18567540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3601

約数の個数: 72

約数和(自身を含む): 58280040

約数和(自身を除く): 39712500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3557, 5220, 7114, 10671, 14228, 17785, 21342, 32013, 35570, 42684, 53355, 64026, 71140, 103153, 106710, 128052, 160065, 206306, 213420, 309459, 320130, 412612, 515765, 618918, 640260, 928377, 1031530, 1237836, 1547295, 1856754, 2063060, 3094590, 3713508, 4641885, 6189180, 9283770, 18567540]

約数ペア:

[(1, 18567540), (2, 9283770), (3, 6189180), (4, 4641885), (5, 3713508), (6, 3094590), (9, 2063060), (10, 1856754), (12, 1547295), (15, 1237836), (18, 1031530), (20, 928377), (29, 640260), (30, 618918), (36, 515765), (45, 412612), (58, 320130), (60, 309459), (87, 213420), (90, 206306), (116, 160065), (145, 128052), (174, 106710), (180, 103153), (261, 71140), (290, 64026), (348, 53355), (435, 42684), (522, 35570), (580, 32013), (870, 21342), (1044, 17785), (1305, 14228), (1740, 10671), (2610, 7114), (3557, 5220)]