207728080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1069}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 554071680

約数和(自身を除く): 346343600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 560, 694, 1069, 1388, 1735, 2138, 2429, 2776, 3470, 4276, 4858, 5345, 5552, 6940, 7483, 8552, 9716, 10690, 12145, 13880, 14966, 17104, 19432, 21380, 24290, 27760, 29932, 37415, 38864, 42760, 48580, 59864, 74830, 85520, 97160, 119728, 149660, 194320, 299320, 370943, 598640, 741886, 1483772, 1854715, 2596601, 2967544, 3709430, 5193202, 5935088, 7418860, 10386404, 12983005, 14837720, 20772808, 25966010, 29675440, 41545616, 51932020, 103864040, 207728080]

約数ペア:

[(1, 207728080), (2, 103864040), (4, 51932020), (5, 41545616), (7, 29675440), (8, 25966010), (10, 20772808), (14, 14837720), (16, 12983005), (20, 10386404), (28, 7418860), (35, 5935088), (40, 5193202), (56, 3709430), (70, 2967544), (80, 2596601), (112, 1854715), (140, 1483772), (280, 741886), (347, 598640), (560, 370943), (694, 299320), (1069, 194320), (1388, 149660), (1735, 119728), (2138, 97160), (2429, 85520), (2776, 74830), (3470, 59864), (4276, 48580), (4858, 42760), (5345, 38864), (5552, 37415), (6940, 29932), (7483, 27760), (8552, 24290), (9716, 21380), (10690, 19432), (12145, 17104), (13880, 14966)]