30141020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16561}}^1$

素因数の和:16590

約数の個数: 48

約数和(自身を含む): 77907648

約数和(自身を除く): 47766628

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16561, 33122, 66244, 82805, 115927, 165610, 215293, 231854, 331220, 430586, 463708, 579635, 861172, 1076465, 1159270, 1507051, 2152930, 2318540, 3014102, 4305860, 6028204, 7535255, 15070510, 30141020]

約数ペア:

[(1, 30141020), (2, 15070510), (4, 7535255), (5, 6028204), (7, 4305860), (10, 3014102), (13, 2318540), (14, 2152930), (20, 1507051), (26, 1159270), (28, 1076465), (35, 861172), (52, 579635), (65, 463708), (70, 430586), (91, 331220), (130, 231854), (140, 215293), (182, 165610), (260, 115927), (364, 82805), (455, 66244), (910, 33122), (1820, 16561)]