81105420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122887}}^1$

素因数の和:122910

約数の個数: 48

約数和(自身を含む): 247742208

約数和(自身を除く): 166636788

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 122887, 245774, 368661, 491548, 614435, 737322, 1228870, 1351757, 1474644, 1843305, 2457740, 2703514, 3686610, 4055271, 5407028, 6758785, 7373220, 8110542, 13517570, 16221084, 20276355, 27035140, 40552710, 81105420]

約数ペア:

[(1, 81105420), (2, 40552710), (3, 27035140), (4, 20276355), (5, 16221084), (6, 13517570), (10, 8110542), (11, 7373220), (12, 6758785), (15, 5407028), (20, 4055271), (22, 3686610), (30, 2703514), (33, 2457740), (44, 1843305), (55, 1474644), (60, 1351757), (66, 1228870), (110, 737322), (132, 614435), (165, 491548), (220, 368661), (330, 245774), (660, 122887)]