399703680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23131}}^1$

素因数の和:23159

約数の個数: 128

約数和(自身を含む): 1415678400

約数和(自身を除く): 1015974720

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, 5760, 8640, 17280, 23131, 46262, 69393, 92524, 115655, 138786, 185048, 208179, 231310, 277572, 346965, 370096, 416358, 462620, 555144, 624537, 693930, 740192, 832716, 925240, 1040895, 1110288, 1249074, 1387860, 1480384, 1665432, 1850480, 2081790, 2220576, 2498148, 2775720, 2960768, 3122685, 3330864, 3700960, 4163580, 4441152, 4996296, 5551440, 6245370, 6661728, 7401920, 8327160, 8882304, 9992592, 11102880, 12490740, 13323456, 14803840, 16654320, 19985184, 22205760, 24981480, 26646912, 33308640, 39970368, 44411520, 49962960, 66617280, 79940736, 99925920, 133234560, 199851840, 399703680]

約数ペア:

[(1, 399703680), (2, 199851840), (3, 133234560), (4, 99925920), (5, 79940736), (6, 66617280), (8, 49962960), (9, 44411520), (10, 39970368), (12, 33308640), (15, 26646912), (16, 24981480), (18, 22205760), (20, 19985184), (24, 16654320), (27, 14803840), (30, 13323456), (32, 12490740), (36, 11102880), (40, 9992592), (45, 8882304), (48, 8327160), (54, 7401920), (60, 6661728), (64, 6245370), (72, 5551440), (80, 4996296), (90, 4441152), (96, 4163580), (108, 3700960), (120, 3330864), (128, 3122685), (135, 2960768), (144, 2775720), (160, 2498148), (180, 2220576), (192, 2081790), (216, 1850480), (240, 1665432), (270, 1480384), (288, 1387860), (320, 1249074), (360, 1110288), (384, 1040895), (432, 925240), (480, 832716), (540, 740192), (576, 693930), (640, 624537), (720, 555144), (864, 462620), (960, 416358), (1080, 370096), (1152, 346965), (1440, 277572), (1728, 231310), (1920, 208179), (2160, 185048), (2880, 138786), (3456, 115655), (4320, 92524), (5760, 69393), (8640, 46262), (17280, 23131)]