55242780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40031}}^1$

素因数の和:40066

約数の個数: 48

約数和(自身を含む): 161409024

約数和(自身を除く): 106166244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 40031, 80062, 120093, 160124, 200155, 240186, 400310, 480372, 600465, 800620, 920713, 1200930, 1841426, 2401860, 2762139, 3682852, 4603565, 5524278, 9207130, 11048556, 13810695, 18414260, 27621390, 55242780]

約数ペア:

[(1, 55242780), (2, 27621390), (3, 18414260), (4, 13810695), (5, 11048556), (6, 9207130), (10, 5524278), (12, 4603565), (15, 3682852), (20, 2762139), (23, 2401860), (30, 1841426), (46, 1200930), (60, 920713), (69, 800620), (92, 600465), (115, 480372), (138, 400310), (230, 240186), (276, 200155), (345, 160124), (460, 120093), (690, 80062), (1380, 40031)]