80161920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{4639}}^1$

素因数の和:4667

約数の個数: 128

約数和(自身を含む): 283968000

約数和(自身を除く): 203806080

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 4639, 5760, 8640, 9278, 13917, 17280, 18556, 23195, 27834, 37112, 41751, 46390, 55668, 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, 1252530, 1336032, 1484480, 1670040, 1781376, 2004048, 2226720, 2505060, 2672064, 2968960, 3340080, 4008096, 4453440, 5010120, 5344128, 6680160, 8016192, 8906880, 10020240, 13360320, 16032384, 20040480, 26720640, 40080960, 80161920]

約数ペア:

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