72780000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{1213}}^1$

素因数の和:1246

約数の個数: 120

約数和(自身を含む): 238929768

約数和(自身を除く): 166149768

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, 1213, 1250, 1500, 1875, 2000, 2400, 2426, 2500, 3000, 3639, 3750, 4000, 4852, 5000, 6000, 6065, 7278, 7500, 9704, 10000, 12000, 12130, 14556, 15000, 18195, 19408, 20000, 24260, 29112, 30000, 30325, 36390, 38816, 48520, 58224, 60000, 60650, 72780, 90975, 97040, 116448, 121300, 145560, 151625, 181950, 194080, 242600, 291120, 303250, 363900, 454875, 485200, 582240, 606500, 727800, 758125, 909750, 970400, 1213000, 1455600, 1516250, 1819500, 2274375, 2426000, 2911200, 3032500, 3639000, 4548750, 4852000, 6065000, 7278000, 9097500, 12130000, 14556000, 18195000, 24260000, 36390000, 72780000]

約数ペア:

[(1, 72780000), (2, 36390000), (3, 24260000), (4, 18195000), (5, 14556000), (6, 12130000), (8, 9097500), (10, 7278000), (12, 6065000), (15, 4852000), (16, 4548750), (20, 3639000), (24, 3032500), (25, 2911200), (30, 2426000), (32, 2274375), (40, 1819500), (48, 1516250), (50, 1455600), (60, 1213000), (75, 970400), (80, 909750), (96, 758125), (100, 727800), (120, 606500), (125, 582240), (150, 485200), (160, 454875), (200, 363900), (240, 303250), (250, 291120), (300, 242600), (375, 194080), (400, 181950), (480, 151625), (500, 145560), (600, 121300), (625, 116448), (750, 97040), (800, 90975), (1000, 72780), (1200, 60650), (1213, 60000), (1250, 58224), (1500, 48520), (1875, 38816), (2000, 36390), (2400, 30325), (2426, 30000), (2500, 29112), (3000, 24260), (3639, 20000), (3750, 19408), (4000, 18195), (4852, 15000), (5000, 14556), (6000, 12130), (6065, 12000), (7278, 10000), (7500, 9704)]