27761580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2003}}^1$

素因数の和:2036

約数の個数: 144

約数和(自身を含む): 105041664

約数和(自身を除く): 77280084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2003, 2310, 2772, 3465, 4006, 4620, 6009, 6930, 8012, 10015, 12018, 13860, 14021, 18027, 20030, 22033, 24036, 28042, 30045, 36054, 40060, 42063, 44066, 56084, 60090, 66099, 70105, 72108, 84126, 88132, 90135, 110165, 120180, 126189, 132198, 140210, 154231, 168252, 180270, 198297, 210315, 220330, 252378, 264396, 280420, 308462, 330495, 360540, 396594, 420630, 440660, 462693, 504756, 616924, 630945, 660990, 771155, 793188, 841260, 925386, 991485, 1261890, 1321980, 1388079, 1542310, 1850772, 1982970, 2313465, 2523780, 2776158, 3084620, 3965940, 4626930, 5552316, 6940395, 9253860, 13880790, 27761580]

約数ペア:

[(1, 27761580), (2, 13880790), (3, 9253860), (4, 6940395), (5, 5552316), (6, 4626930), (7, 3965940), (9, 3084620), (10, 2776158), (11, 2523780), (12, 2313465), (14, 1982970), (15, 1850772), (18, 1542310), (20, 1388079), (21, 1321980), (22, 1261890), (28, 991485), (30, 925386), (33, 841260), (35, 793188), (36, 771155), (42, 660990), (44, 630945), (45, 616924), (55, 504756), (60, 462693), (63, 440660), (66, 420630), (70, 396594), (77, 360540), (84, 330495), (90, 308462), (99, 280420), (105, 264396), (110, 252378), (126, 220330), (132, 210315), (140, 198297), (154, 180270), (165, 168252), (180, 154231), (198, 140210), (210, 132198), (220, 126189), (231, 120180), (252, 110165), (308, 90135), (315, 88132), (330, 84126), (385, 72108), (396, 70105), (420, 66099), (462, 60090), (495, 56084), (630, 44066), (660, 42063), (693, 40060), (770, 36054), (924, 30045), (990, 28042), (1155, 24036), (1260, 22033), (1386, 20030), (1540, 18027), (1980, 14021), (2003, 13860), (2310, 12018), (2772, 10015), (3465, 8012), (4006, 6930), (4620, 6009)]