320440417920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{7947431}}^1$

素因数の和:7947463

約数の個数: 192

約数和(自身を含む): 1264595379840

約数和(自身を除く): 944154961920

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, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 7947431, 15894862, 23842293, 31789724, 39737155, 47684586, 55632017, 63579448, 71526879, 79474310, 95369172, 111264034, 119211465, 127158896, 143053758, 158948620, 166896051, 190738344, 222528068, 238422930, 254317792, 278160085, 286107516, 317897240, 333792102, 357634395, 381476688, 445056136, 476845860, 500688153, 508635584, 556320170, 572215032, 635794480, 667584204, 715268790, 762953376, 834480255, 890112272, 953691720, 1001376306, 1017271168, 1112640340, 1144430064, 1271588960, 1335168408, 1430537580, 1525906752, 1668960510, 1780224544, 1907383440, 2002752612, 2225280680, 2288860128, 2503440765, 2543177920, 2670336816, 2861075160, 3051813504, 3337921020, 3560449088, 3814766880, 4005505224, 4450561360, 4577720256, 5006881530, 5086355840, 5340673632, 5722150320, 6675842040, 7120898176, 7629533760, 8011010448, 8901122720, 9155440512, 10013763060, 10681347264, 11444300640, 13351684080, 15259067520, 16022020896, 17802245440, 20027526120, 21362694528, 22888601280, 26703368160, 32044041792, 35604490880, 40055052240, 45777202560, 53406736320, 64088083584, 80110104480, 106813472640, 160220208960, 320440417920]

約数ペア:

[(1, 320440417920), (2, 160220208960), (3, 106813472640), (4, 80110104480), (5, 64088083584), (6, 53406736320), (7, 45777202560), (8, 40055052240), (9, 35604490880), (10, 32044041792), (12, 26703368160), (14, 22888601280), (15, 21362694528), (16, 20027526120), (18, 17802245440), (20, 16022020896), (21, 15259067520), (24, 13351684080), (28, 11444300640), (30, 10681347264), (32, 10013763060), (35, 9155440512), (36, 8901122720), (40, 8011010448), (42, 7629533760), (45, 7120898176), (48, 6675842040), (56, 5722150320), (60, 5340673632), (63, 5086355840), (64, 5006881530), (70, 4577720256), (72, 4450561360), (80, 4005505224), (84, 3814766880), (90, 3560449088), (96, 3337921020), (105, 3051813504), (112, 2861075160), (120, 2670336816), (126, 2543177920), (128, 2503440765), (140, 2288860128), (144, 2225280680), (160, 2002752612), (168, 1907383440), (180, 1780224544), (192, 1668960510), (210, 1525906752), (224, 1430537580), (240, 1335168408), (252, 1271588960), (280, 1144430064), (288, 1112640340), (315, 1017271168), (320, 1001376306), (336, 953691720), (360, 890112272), (384, 834480255), (420, 762953376), (448, 715268790), (480, 667584204), (504, 635794480), (560, 572215032), (576, 556320170), (630, 508635584), (640, 500688153), (672, 476845860), (720, 445056136), (840, 381476688), (896, 357634395), (960, 333792102), (1008, 317897240), (1120, 286107516), (1152, 278160085), (1260, 254317792), (1344, 238422930), (1440, 222528068), (1680, 190738344), (1920, 166896051), (2016, 158948620), (2240, 143053758), (2520, 127158896), (2688, 119211465), (2880, 111264034), (3360, 95369172), (4032, 79474310), (4480, 71526879), (5040, 63579448), (5760, 55632017), (6720, 47684586), (8064, 39737155), (10080, 31789724), (13440, 23842293), (20160, 15894862), (40320, 7947431)]