51978360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61879}}^1$

素因数の和:61900

約数の個数: 64

約数和(自身を含む): 178214400

約数和(自身を除く): 126236040

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, 61879, 123758, 185637, 247516, 309395, 371274, 433153, 495032, 618790, 742548, 866306, 928185, 1237580, 1299459, 1485096, 1732612, 1856370, 2165765, 2475160, 2598918, 3465224, 3712740, 4331530, 5197836, 6497295, 7425480, 8663060, 10395672, 12994590, 17326120, 25989180, 51978360]

約数ペア:

[(1, 51978360), (2, 25989180), (3, 17326120), (4, 12994590), (5, 10395672), (6, 8663060), (7, 7425480), (8, 6497295), (10, 5197836), (12, 4331530), (14, 3712740), (15, 3465224), (20, 2598918), (21, 2475160), (24, 2165765), (28, 1856370), (30, 1732612), (35, 1485096), (40, 1299459), (42, 1237580), (56, 928185), (60, 866306), (70, 742548), (84, 618790), (105, 495032), (120, 433153), (140, 371274), (168, 309395), (210, 247516), (280, 185637), (420, 123758), (840, 61879)]