1720687360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1061}}^1$

素因数の和:1270

約数の個数: 144

約数和(自身を含む): 4740869952

約数和(自身を除く): 3020182592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 181, 224, 256, 280, 320, 362, 448, 560, 640, 724, 896, 905, 1061, 1120, 1267, 1280, 1448, 1792, 1810, 2122, 2240, 2534, 2896, 3620, 4244, 4480, 5068, 5305, 5792, 6335, 7240, 7427, 8488, 8960, 10136, 10610, 11584, 12670, 14480, 14854, 16976, 20272, 21220, 23168, 25340, 28960, 29708, 33952, 37135, 40544, 42440, 46336, 50680, 57920, 59416, 67904, 74270, 81088, 84880, 101360, 115840, 118832, 135808, 148540, 162176, 169760, 192041, 202720, 231680, 237664, 271616, 297080, 324352, 339520, 384082, 405440, 475328, 594160, 679040, 768164, 810880, 950656, 960205, 1188320, 1344287, 1358080, 1536328, 1621760, 1901312, 1920410, 2376640, 2688574, 3072656, 3840820, 4753280, 5377148, 6145312, 6721435, 7681640, 9506560, 10754296, 12290624, 13442870, 15363280, 21508592, 24581248, 26885740, 30726560, 43017184, 49162496, 53771480, 61453120, 86034368, 107542960, 122906240, 172068736, 215085920, 245812480, 344137472, 430171840, 860343680, 1720687360]

約数ペア:

[(1, 1720687360), (2, 860343680), (4, 430171840), (5, 344137472), (7, 245812480), (8, 215085920), (10, 172068736), (14, 122906240), (16, 107542960), (20, 86034368), (28, 61453120), (32, 53771480), (35, 49162496), (40, 43017184), (56, 30726560), (64, 26885740), (70, 24581248), (80, 21508592), (112, 15363280), (128, 13442870), (140, 12290624), (160, 10754296), (181, 9506560), (224, 7681640), (256, 6721435), (280, 6145312), (320, 5377148), (362, 4753280), (448, 3840820), (560, 3072656), (640, 2688574), (724, 2376640), (896, 1920410), (905, 1901312), (1061, 1621760), (1120, 1536328), (1267, 1358080), (1280, 1344287), (1448, 1188320), (1792, 960205), (1810, 950656), (2122, 810880), (2240, 768164), (2534, 679040), (2896, 594160), (3620, 475328), (4244, 405440), (4480, 384082), (5068, 339520), (5305, 324352), (5792, 297080), (6335, 271616), (7240, 237664), (7427, 231680), (8488, 202720), (8960, 192041), (10136, 169760), (10610, 162176), (11584, 148540), (12670, 135808), (14480, 118832), (14854, 115840), (16976, 101360), (20272, 84880), (21220, 81088), (23168, 74270), (25340, 67904), (28960, 59416), (29708, 57920), (33952, 50680), (37135, 46336), (40544, 42440)]