138221440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{30853}}^1$

素因数の和:30879

約数の個数: 64

約数和(自身を含む): 377652960

約数和(自身を除く): 239431520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 30853, 61706, 123412, 154265, 215971, 246824, 308530, 431942, 493648, 617060, 863884, 987296, 1079855, 1234120, 1727768, 1974592, 2159710, 2468240, 3455536, 3949184, 4319420, 4936480, 6911072, 8638840, 9872960, 13822144, 17277680, 19745920, 27644288, 34555360, 69110720, 138221440]

約数ペア:

[(1, 138221440), (2, 69110720), (4, 34555360), (5, 27644288), (7, 19745920), (8, 17277680), (10, 13822144), (14, 9872960), (16, 8638840), (20, 6911072), (28, 4936480), (32, 4319420), (35, 3949184), (40, 3455536), (56, 2468240), (64, 2159710), (70, 1974592), (80, 1727768), (112, 1234120), (128, 1079855), (140, 987296), (160, 863884), (224, 617060), (280, 493648), (320, 431942), (448, 308530), (560, 246824), (640, 215971), (896, 154265), (1120, 123412), (2240, 61706), (4480, 30853)]