25441920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:663

約数の個数: 192

約数和(自身を含む): 100563840

約数和(自身を除く): 75121920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 631, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1262, 1344, 1440, 1680, 1893, 1920, 2016, 2240, 2520, 2524, 2688, 2880, 3155, 3360, 3786, 4032, 4417, 4480, 5040, 5048, 5679, 5760, 6310, 6720, 7572, 8064, 8834, 9465, 10080, 10096, 11358, 12620, 13251, 13440, 15144, 17668, 18930, 20160, 20192, 22085, 22716, 25240, 26502, 28395, 30288, 35336, 37860, 39753, 40320, 40384, 44170, 45432, 50480, 53004, 56790, 60576, 66255, 70672, 75720, 79506, 80768, 88340, 90864, 100960, 106008, 113580, 121152, 132510, 141344, 151440, 159012, 176680, 181728, 198765, 201920, 212016, 227160, 242304, 265020, 282688, 302880, 318024, 353360, 363456, 397530, 403840, 424032, 454320, 530040, 565376, 605760, 636048, 706720, 726912, 795060, 848064, 908640, 1060080, 1211520, 1272096, 1413440, 1590120, 1696128, 1817280, 2120160, 2544192, 2826880, 3180240, 3634560, 4240320, 5088384, 6360480, 8480640, 12720960, 25441920]

約数ペア:

[(1, 25441920), (2, 12720960), (3, 8480640), (4, 6360480), (5, 5088384), (6, 4240320), (7, 3634560), (8, 3180240), (9, 2826880), (10, 2544192), (12, 2120160), (14, 1817280), (15, 1696128), (16, 1590120), (18, 1413440), (20, 1272096), (21, 1211520), (24, 1060080), (28, 908640), (30, 848064), (32, 795060), (35, 726912), (36, 706720), (40, 636048), (42, 605760), (45, 565376), (48, 530040), (56, 454320), (60, 424032), (63, 403840), (64, 397530), (70, 363456), (72, 353360), (80, 318024), (84, 302880), (90, 282688), (96, 265020), (105, 242304), (112, 227160), (120, 212016), (126, 201920), (128, 198765), (140, 181728), (144, 176680), (160, 159012), (168, 151440), (180, 141344), (192, 132510), (210, 121152), (224, 113580), (240, 106008), (252, 100960), (280, 90864), (288, 88340), (315, 80768), (320, 79506), (336, 75720), (360, 70672), (384, 66255), (420, 60576), (448, 56790), (480, 53004), (504, 50480), (560, 45432), (576, 44170), (630, 40384), (631, 40320), (640, 39753), (672, 37860), (720, 35336), (840, 30288), (896, 28395), (960, 26502), (1008, 25240), (1120, 22716), (1152, 22085), (1260, 20192), (1262, 20160), (1344, 18930), (1440, 17668), (1680, 15144), (1893, 13440), (1920, 13251), (2016, 12620), (2240, 11358), (2520, 10096), (2524, 10080), (2688, 9465), (2880, 8834), (3155, 8064), (3360, 7572), (3786, 6720), (4032, 6310), (4417, 5760), (4480, 5679), (5040, 5048)]