145605440

素因数分解:

$2^6\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1289}}^1$

素因数の和:1659

約数の個数: 56

約数和(自身を含む): 347974920

約数和(自身を除く): 202369480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 353, 706, 1289, 1412, 1765, 2578, 2824, 3530, 5156, 5648, 6445, 7060, 10312, 11296, 12890, 14120, 20624, 22592, 25780, 28240, 41248, 51560, 56480, 82496, 103120, 112960, 206240, 412480, 455017, 910034, 1820068, 2275085, 3640136, 4550170, 7280272, 9100340, 14560544, 18200680, 29121088, 36401360, 72802720, 145605440]

約数ペア:

[(1, 145605440), (2, 72802720), (4, 36401360), (5, 29121088), (8, 18200680), (10, 14560544), (16, 9100340), (20, 7280272), (32, 4550170), (40, 3640136), (64, 2275085), (80, 1820068), (160, 910034), (320, 455017), (353, 412480), (706, 206240), (1289, 112960), (1412, 103120), (1765, 82496), (2578, 56480), (2824, 51560), (3530, 41248), (5156, 28240), (5648, 25780), (6445, 22592), (7060, 20624), (10312, 14120), (11296, 12890)]