138538980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{769661}}^1$

素因数の和:769676

約数の個数: 36

約数和(自身を含む): 420235452

約数和(自身を除く): 281696472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 769661, 1539322, 2308983, 3078644, 3848305, 4617966, 6926949, 7696610, 9235932, 11544915, 13853898, 15393220, 23089830, 27707796, 34634745, 46179660, 69269490, 138538980]

約数ペア:

[(1, 138538980), (2, 69269490), (3, 46179660), (4, 34634745), (5, 27707796), (6, 23089830), (9, 15393220), (10, 13853898), (12, 11544915), (15, 9235932), (18, 7696610), (20, 6926949), (30, 4617966), (36, 3848305), (45, 3078644), (60, 2308983), (90, 1539322), (180, 769661)]