55144980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27851}}^1$

素因数の和:27877

約数の個数: 72

約数和(自身を含む): 182486304

約数和(自身を除く): 127341324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 27851, 55702, 83553, 111404, 139255, 167106, 250659, 278510, 306361, 334212, 417765, 501318, 557020, 612722, 835530, 919083, 1002636, 1225444, 1253295, 1531805, 1671060, 1838166, 2506590, 2757249, 3063610, 3676332, 4595415, 5013180, 5514498, 6127220, 9190830, 11028996, 13786245, 18381660, 27572490, 55144980]

約数ペア:

[(1, 55144980), (2, 27572490), (3, 18381660), (4, 13786245), (5, 11028996), (6, 9190830), (9, 6127220), (10, 5514498), (11, 5013180), (12, 4595415), (15, 3676332), (18, 3063610), (20, 2757249), (22, 2506590), (30, 1838166), (33, 1671060), (36, 1531805), (44, 1253295), (45, 1225444), (55, 1002636), (60, 919083), (66, 835530), (90, 612722), (99, 557020), (110, 501318), (132, 417765), (165, 334212), (180, 306361), (198, 278510), (220, 250659), (330, 167106), (396, 139255), (495, 111404), (660, 83553), (990, 55702), (1980, 27851)]