42640740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{236893}}^1$

素因数の和:236908

約数の個数: 36

約数和(自身を含む): 129344124

約数和(自身を除く): 86703384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 236893, 473786, 710679, 947572, 1184465, 1421358, 2132037, 2368930, 2842716, 3553395, 4264074, 4737860, 7106790, 8528148, 10660185, 14213580, 21320370, 42640740]

約数ペア:

[(1, 42640740), (2, 21320370), (3, 14213580), (4, 10660185), (5, 8528148), (6, 7106790), (9, 4737860), (10, 4264074), (12, 3553395), (15, 2842716), (18, 2368930), (20, 2132037), (30, 1421358), (36, 1184465), (45, 947572), (60, 710679), (90, 473786), (180, 236893)]