172938360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205879}}^1$

素因数の和:205900

約数の個数: 64

約数和(自身を含む): 592934400

約数和(自身を除く): 419996040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 205879, 411758, 617637, 823516, 1029395, 1235274, 1441153, 1647032, 2058790, 2470548, 2882306, 3088185, 4117580, 4323459, 4941096, 5764612, 6176370, 7205765, 8235160, 8646918, 11529224, 12352740, 14411530, 17293836, 21617295, 24705480, 28823060, 34587672, 43234590, 57646120, 86469180, 172938360]

約数ペア:

[(1, 172938360), (2, 86469180), (3, 57646120), (4, 43234590), (5, 34587672), (6, 28823060), (7, 24705480), (8, 21617295), (10, 17293836), (12, 14411530), (14, 12352740), (15, 11529224), (20, 8646918), (21, 8235160), (24, 7205765), (28, 6176370), (30, 5764612), (35, 4941096), (40, 4323459), (42, 4117580), (56, 3088185), (60, 2882306), (70, 2470548), (84, 2058790), (105, 1647032), (120, 1441153), (140, 1235274), (168, 1029395), (210, 823516), (280, 617637), (420, 411758), (840, 205879)]