1380900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{4603}}^1$

素因数の和:4641

約数の個数: 144

約数和(自身を含む): 4531772448

約数和(自身を除く): 3150872448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3125, 3750, 4000, 4603, 5000, 6000, 6250, 7500, 9206, 9375, 10000, 12000, 12500, 13809, 15000, 18412, 18750, 20000, 23015, 25000, 27618, 30000, 36824, 37500, 46030, 50000, 55236, 60000, 69045, 73648, 75000, 92060, 100000, 110472, 115075, 138090, 147296, 150000, 184120, 220944, 230150, 276180, 300000, 345225, 368240, 441888, 460300, 552360, 575375, 690450, 736480, 920600, 1104720, 1150750, 1380900, 1726125, 1841200, 2209440, 2301500, 2761800, 2876875, 3452250, 3682400, 4603000, 5523600, 5753750, 6904500, 8630625, 9206000, 11047200, 11507500, 13809000, 14384375, 17261250, 18412000, 23015000, 27618000, 28768750, 34522500, 43153125, 46030000, 55236000, 57537500, 69045000, 86306250, 92060000, 115075000, 138090000, 172612500, 230150000, 276180000, 345225000, 460300000, 690450000, 1380900000]

約数ペア:

[(1, 1380900000), (2, 690450000), (3, 460300000), (4, 345225000), (5, 276180000), (6, 230150000), (8, 172612500), (10, 138090000), (12, 115075000), (15, 92060000), (16, 86306250), (20, 69045000), (24, 57537500), (25, 55236000), (30, 46030000), (32, 43153125), (40, 34522500), (48, 28768750), (50, 27618000), (60, 23015000), (75, 18412000), (80, 17261250), (96, 14384375), (100, 13809000), (120, 11507500), (125, 11047200), (150, 9206000), (160, 8630625), (200, 6904500), (240, 5753750), (250, 5523600), (300, 4603000), (375, 3682400), (400, 3452250), (480, 2876875), (500, 2761800), (600, 2301500), (625, 2209440), (750, 1841200), (800, 1726125), (1000, 1380900), (1200, 1150750), (1250, 1104720), (1500, 920600), (1875, 736480), (2000, 690450), (2400, 575375), (2500, 552360), (3000, 460300), (3125, 441888), (3750, 368240), (4000, 345225), (4603, 300000), (5000, 276180), (6000, 230150), (6250, 220944), (7500, 184120), (9206, 150000), (9375, 147296), (10000, 138090), (12000, 115075), (12500, 110472), (13809, 100000), (15000, 92060), (18412, 75000), (18750, 73648), (20000, 69045), (23015, 60000), (25000, 55236), (27618, 50000), (30000, 46030), (36824, 37500)]