320647680

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{4639}}^1$

素因数の和:4671

約数の個数: 160

約数和(自身を含む): 1139212800

約数和(自身を除く): 818565120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 4639, 5760, 6912, 7680, 8640, 9278, 11520, 13824, 13917, 17280, 18556, 23040, 23195, 27834, 34560, 37112, 41751, 46390, 55668, 69120, 69585, 74224, 83502, 92780, 111336, 125253, 139170, 148448, 167004, 185560, 208755, 222672, 250506, 278340, 296896, 334008, 371120, 417510, 445344, 501012, 556680, 593792, 626265, 668016, 742240, 835020, 890688, 1002024, 1113360, 1187584, 1252530, 1336032, 1484480, 1670040, 1781376, 2004048, 2226720, 2375168, 2505060, 2672064, 2968960, 3340080, 3562752, 4008096, 4453440, 5010120, 5344128, 5937920, 6680160, 7125504, 8016192, 8906880, 10020240, 10688256, 11875840, 13360320, 16032384, 17813760, 20040480, 21376512, 26720640, 32064768, 35627520, 40080960, 53441280, 64129536, 80161920, 106882560, 160323840, 320647680]

約数ペア:

[(1, 320647680), (2, 160323840), (3, 106882560), (4, 80161920), (5, 64129536), (6, 53441280), (8, 40080960), (9, 35627520), (10, 32064768), (12, 26720640), (15, 21376512), (16, 20040480), (18, 17813760), (20, 16032384), (24, 13360320), (27, 11875840), (30, 10688256), (32, 10020240), (36, 8906880), (40, 8016192), (45, 7125504), (48, 6680160), (54, 5937920), (60, 5344128), (64, 5010120), (72, 4453440), (80, 4008096), (90, 3562752), (96, 3340080), (108, 2968960), (120, 2672064), (128, 2505060), (135, 2375168), (144, 2226720), (160, 2004048), (180, 1781376), (192, 1670040), (216, 1484480), (240, 1336032), (256, 1252530), (270, 1187584), (288, 1113360), (320, 1002024), (360, 890688), (384, 835020), (432, 742240), (480, 668016), (512, 626265), (540, 593792), (576, 556680), (640, 501012), (720, 445344), (768, 417510), (864, 371120), (960, 334008), (1080, 296896), (1152, 278340), (1280, 250506), (1440, 222672), (1536, 208755), (1728, 185560), (1920, 167004), (2160, 148448), (2304, 139170), (2560, 125253), (2880, 111336), (3456, 92780), (3840, 83502), (4320, 74224), (4608, 69585), (4639, 69120), (5760, 55668), (6912, 46390), (7680, 41751), (8640, 37112), (9278, 34560), (11520, 27834), (13824, 23195), (13917, 23040), (17280, 18556)]