140687680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:552

約数の個数: 112

約数和(自身を含む): 386096256

約数和(自身を除く): 245408576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 181, 224, 280, 320, 347, 362, 448, 560, 694, 724, 905, 1120, 1267, 1388, 1448, 1735, 1810, 2240, 2429, 2534, 2776, 2896, 3470, 3620, 4858, 5068, 5552, 5792, 6335, 6940, 7240, 9716, 10136, 11104, 11584, 12145, 12670, 13880, 14480, 19432, 20272, 22208, 24290, 25340, 27760, 28960, 38864, 40544, 48580, 50680, 55520, 57920, 62807, 77728, 81088, 97160, 101360, 111040, 125614, 155456, 194320, 202720, 251228, 314035, 388640, 405440, 439649, 502456, 628070, 777280, 879298, 1004912, 1256140, 1758596, 2009824, 2198245, 2512280, 3517192, 4019648, 4396490, 5024560, 7034384, 8792980, 10049120, 14068768, 17585960, 20098240, 28137536, 35171920, 70343840, 140687680]

約数ペア:

[(1, 140687680), (2, 70343840), (4, 35171920), (5, 28137536), (7, 20098240), (8, 17585960), (10, 14068768), (14, 10049120), (16, 8792980), (20, 7034384), (28, 5024560), (32, 4396490), (35, 4019648), (40, 3517192), (56, 2512280), (64, 2198245), (70, 2009824), (80, 1758596), (112, 1256140), (140, 1004912), (160, 879298), (181, 777280), (224, 628070), (280, 502456), (320, 439649), (347, 405440), (362, 388640), (448, 314035), (560, 251228), (694, 202720), (724, 194320), (905, 155456), (1120, 125614), (1267, 111040), (1388, 101360), (1448, 97160), (1735, 81088), (1810, 77728), (2240, 62807), (2429, 57920), (2534, 55520), (2776, 50680), (2896, 48580), (3470, 40544), (3620, 38864), (4858, 28960), (5068, 27760), (5552, 25340), (5792, 24290), (6335, 22208), (6940, 20272), (7240, 19432), (9716, 14480), (10136, 13880), (11104, 12670), (11584, 12145)]