20488590000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{227651}}^1$

素因数の和:227685

約数の個数: 150

約数和(自身を含む): 71651873436

約数和(自身を除く): 51163283436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 625, 720, 750, 900, 1000, 1125, 1200, 1250, 1500, 1800, 1875, 2000, 2250, 2500, 3000, 3600, 3750, 4500, 5000, 5625, 6000, 7500, 9000, 10000, 11250, 15000, 18000, 22500, 30000, 45000, 90000, 227651, 455302, 682953, 910604, 1138255, 1365906, 1821208, 2048859, 2276510, 2731812, 3414765, 3642416, 4097718, 4553020, 5463624, 5691275, 6829530, 8195436, 9106040, 10244295, 10927248, 11382550, 13659060, 16390872, 17073825, 18212080, 20488590, 22765100, 27318120, 28456375, 32781744, 34147650, 40977180, 45530200, 51221475, 54636240, 56912750, 68295300, 81954360, 85369125, 91060400, 102442950, 113825500, 136590600, 142281875, 163908720, 170738250, 204885900, 227651000, 256107375, 273181200, 284563750, 341476500, 409771800, 426845625, 455302000, 512214750, 569127500, 682953000, 819543600, 853691250, 1024429500, 1138255000, 1280536875, 1365906000, 1707382500, 2048859000, 2276510000, 2561073750, 3414765000, 4097718000, 5122147500, 6829530000, 10244295000, 20488590000]

約数ペア:

[(1, 20488590000), (2, 10244295000), (3, 6829530000), (4, 5122147500), (5, 4097718000), (6, 3414765000), (8, 2561073750), (9, 2276510000), (10, 2048859000), (12, 1707382500), (15, 1365906000), (16, 1280536875), (18, 1138255000), (20, 1024429500), (24, 853691250), (25, 819543600), (30, 682953000), (36, 569127500), (40, 512214750), (45, 455302000), (48, 426845625), (50, 409771800), (60, 341476500), (72, 284563750), (75, 273181200), (80, 256107375), (90, 227651000), (100, 204885900), (120, 170738250), (125, 163908720), (144, 142281875), (150, 136590600), (180, 113825500), (200, 102442950), (225, 91060400), (240, 85369125), (250, 81954360), (300, 68295300), (360, 56912750), (375, 54636240), (400, 51221475), (450, 45530200), (500, 40977180), (600, 34147650), (625, 32781744), (720, 28456375), (750, 27318120), (900, 22765100), (1000, 20488590), (1125, 18212080), (1200, 17073825), (1250, 16390872), (1500, 13659060), (1800, 11382550), (1875, 10927248), (2000, 10244295), (2250, 9106040), (2500, 8195436), (3000, 6829530), (3600, 5691275), (3750, 5463624), (4500, 4553020), (5000, 4097718), (5625, 3642416), (6000, 3414765), (7500, 2731812), (9000, 2276510), (10000, 2048859), (11250, 1821208), (15000, 1365906), (18000, 1138255), (22500, 910604), (30000, 682953), (45000, 455302), (90000, 227651)]