72147740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2879}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 174182400

約数和(自身を除く): 102034660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 2879, 3580, 5012, 5758, 6265, 11516, 12530, 14395, 20153, 25060, 28790, 40306, 57580, 80612, 100765, 201530, 403060, 515341, 1030682, 2061364, 2576705, 3607387, 5153410, 7214774, 10306820, 14429548, 18036935, 36073870, 72147740]

約数ペア:

[(1, 72147740), (2, 36073870), (4, 18036935), (5, 14429548), (7, 10306820), (10, 7214774), (14, 5153410), (20, 3607387), (28, 2576705), (35, 2061364), (70, 1030682), (140, 515341), (179, 403060), (358, 201530), (716, 100765), (895, 80612), (1253, 57580), (1790, 40306), (2506, 28790), (2879, 25060), (3580, 20153), (5012, 14395), (5758, 12530), (6265, 11516)]