81173220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9733}}^1$

素因数の和:9884

約数の個数: 48

約数和(自身を含む): 228943680

約数和(自身を除く): 147770460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 9733, 19466, 29199, 38932, 48665, 58398, 97330, 116796, 145995, 194660, 291990, 583980, 1352887, 2705774, 4058661, 5411548, 6764435, 8117322, 13528870, 16234644, 20293305, 27057740, 40586610, 81173220]

約数ペア:

[(1, 81173220), (2, 40586610), (3, 27057740), (4, 20293305), (5, 16234644), (6, 13528870), (10, 8117322), (12, 6764435), (15, 5411548), (20, 4058661), (30, 2705774), (60, 1352887), (139, 583980), (278, 291990), (417, 194660), (556, 145995), (695, 116796), (834, 97330), (1390, 58398), (1668, 48665), (2085, 38932), (2780, 29199), (4170, 19466), (8340, 9733)]