40854420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{863}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 124540416

約数和(自身を除く): 83685996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 863, 1052, 1315, 1578, 1726, 2367, 2589, 2630, 3156, 3452, 3945, 4315, 4734, 5178, 5260, 7767, 7890, 8630, 9468, 10356, 11835, 12945, 15534, 15780, 17260, 23670, 25890, 31068, 38835, 47340, 51780, 77670, 155340, 226969, 453938, 680907, 907876, 1134845, 1361814, 2042721, 2269690, 2723628, 3404535, 4085442, 4539380, 6809070, 8170884, 10213605, 13618140, 20427210, 40854420]

約数ペア:

[(1, 40854420), (2, 20427210), (3, 13618140), (4, 10213605), (5, 8170884), (6, 6809070), (9, 4539380), (10, 4085442), (12, 3404535), (15, 2723628), (18, 2269690), (20, 2042721), (30, 1361814), (36, 1134845), (45, 907876), (60, 680907), (90, 453938), (180, 226969), (263, 155340), (526, 77670), (789, 51780), (863, 47340), (1052, 38835), (1315, 31068), (1578, 25890), (1726, 23670), (2367, 17260), (2589, 15780), (2630, 15534), (3156, 12945), (3452, 11835), (3945, 10356), (4315, 9468), (4734, 8630), (5178, 7890), (5260, 7767)]