261212400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{72559}}^1$

素因数の和:72583

約数の個数: 90

約数和(自身を含む): 906492080

約数和(自身を除く): 645279680

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, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 72559, 145118, 217677, 290236, 362795, 435354, 580472, 653031, 725590, 870708, 1088385, 1160944, 1306062, 1451180, 1741416, 1813975, 2176770, 2612124, 2902360, 3265155, 3482832, 3627950, 4353540, 5224248, 5441925, 5804720, 6530310, 7255900, 8707080, 10448496, 10883850, 13060620, 14511800, 16325775, 17414160, 21767700, 26121240, 29023600, 32651550, 43535400, 52242480, 65303100, 87070800, 130606200, 261212400]

約数ペア:

[(1, 261212400), (2, 130606200), (3, 87070800), (4, 65303100), (5, 52242480), (6, 43535400), (8, 32651550), (9, 29023600), (10, 26121240), (12, 21767700), (15, 17414160), (16, 16325775), (18, 14511800), (20, 13060620), (24, 10883850), (25, 10448496), (30, 8707080), (36, 7255900), (40, 6530310), (45, 5804720), (48, 5441925), (50, 5224248), (60, 4353540), (72, 3627950), (75, 3482832), (80, 3265155), (90, 2902360), (100, 2612124), (120, 2176770), (144, 1813975), (150, 1741416), (180, 1451180), (200, 1306062), (225, 1160944), (240, 1088385), (300, 870708), (360, 725590), (400, 653031), (450, 580472), (600, 435354), (720, 362795), (900, 290236), (1200, 217677), (1800, 145118), (3600, 72559)]