81194070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19471}}^1$

素因数の和:19620

約数の個数: 32

約数和(自身を含む): 196277760

約数和(自身を除く): 115083690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 19471, 38942, 58413, 97355, 116826, 194710, 292065, 584130, 2706469, 5412938, 8119407, 13532345, 16238814, 27064690, 40597035, 81194070]

約数ペア:

[(1, 81194070), (2, 40597035), (3, 27064690), (5, 16238814), (6, 13532345), (10, 8119407), (15, 5412938), (30, 2706469), (139, 584130), (278, 292065), (417, 194710), (695, 116826), (834, 97355), (1390, 58413), (2085, 38942), (4170, 19471)]