138187980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109673}}^1$

素因数の和:109695

約数の個数: 72

約数和(自身を含む): 479056032

約数和(自身を除く): 340868052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 109673, 219346, 329019, 438692, 548365, 658038, 767711, 987057, 1096730, 1316076, 1535422, 1645095, 1974114, 2193460, 2303133, 3070844, 3290190, 3838555, 3948228, 4606266, 4935285, 6580380, 6909399, 7677110, 9212532, 9870570, 11515665, 13818798, 15354220, 19741140, 23031330, 27637596, 34546995, 46062660, 69093990, 138187980]

約数ペア:

[(1, 138187980), (2, 69093990), (3, 46062660), (4, 34546995), (5, 27637596), (6, 23031330), (7, 19741140), (9, 15354220), (10, 13818798), (12, 11515665), (14, 9870570), (15, 9212532), (18, 7677110), (20, 6909399), (21, 6580380), (28, 4935285), (30, 4606266), (35, 3948228), (36, 3838555), (42, 3290190), (45, 3070844), (60, 2303133), (63, 2193460), (70, 1974114), (84, 1645095), (90, 1535422), (105, 1316076), (126, 1096730), (140, 987057), (180, 767711), (210, 658038), (252, 548365), (315, 438692), (420, 329019), (630, 219346), (1260, 109673)]