218203920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27551}}^1$

素因数の和:27581

約数の個数: 120

約数和(自身を含む): 799448832

約数和(自身を除く): 581244912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 27551, 55102, 82653, 110204, 137755, 165306, 220408, 247959, 275510, 303061, 330612, 413265, 440816, 495918, 551020, 606122, 661224, 826530, 909183, 991836, 1102040, 1212244, 1239795, 1322448, 1515305, 1653060, 1818366, 1983672, 2204080, 2424488, 2479590, 2727549, 3030610, 3306120, 3636732, 3967344, 4545915, 4848976, 4959180, 5455098, 6061220, 6612240, 7273464, 9091830, 9918360, 10910196, 12122440, 13637745, 14546928, 18183660, 19836720, 21820392, 24244880, 27275490, 36367320, 43640784, 54550980, 72734640, 109101960, 218203920]

約数ペア:

[(1, 218203920), (2, 109101960), (3, 72734640), (4, 54550980), (5, 43640784), (6, 36367320), (8, 27275490), (9, 24244880), (10, 21820392), (11, 19836720), (12, 18183660), (15, 14546928), (16, 13637745), (18, 12122440), (20, 10910196), (22, 9918360), (24, 9091830), (30, 7273464), (33, 6612240), (36, 6061220), (40, 5455098), (44, 4959180), (45, 4848976), (48, 4545915), (55, 3967344), (60, 3636732), (66, 3306120), (72, 3030610), (80, 2727549), (88, 2479590), (90, 2424488), (99, 2204080), (110, 1983672), (120, 1818366), (132, 1653060), (144, 1515305), (165, 1322448), (176, 1239795), (180, 1212244), (198, 1102040), (220, 991836), (240, 909183), (264, 826530), (330, 661224), (360, 606122), (396, 551020), (440, 495918), (495, 440816), (528, 413265), (660, 330612), (720, 303061), (792, 275510), (880, 247959), (990, 220408), (1320, 165306), (1584, 137755), (1980, 110204), (2640, 82653), (3960, 55102), (7920, 27551)]