1320780000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{22013}}^1$

素因数の和:22046

約数の個数: 120

約数和(自身を含む): 4332619368

約数和(自身を除く): 3011839368

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, 3750, 4000, 5000, 6000, 7500, 10000, 12000, 15000, 20000, 22013, 30000, 44026, 60000, 66039, 88052, 110065, 132078, 176104, 220130, 264156, 330195, 352208, 440260, 528312, 550325, 660390, 704416, 880520, 1056624, 1100650, 1320780, 1650975, 1761040, 2113248, 2201300, 2641560, 2751625, 3301950, 3522080, 4402600, 5283120, 5503250, 6603900, 8254875, 8805200, 10566240, 11006500, 13207800, 13758125, 16509750, 17610400, 22013000, 26415600, 27516250, 33019500, 41274375, 44026000, 52831200, 55032500, 66039000, 82548750, 88052000, 110065000, 132078000, 165097500, 220130000, 264156000, 330195000, 440260000, 660390000, 1320780000]

約数ペア:

[(1, 1320780000), (2, 660390000), (3, 440260000), (4, 330195000), (5, 264156000), (6, 220130000), (8, 165097500), (10, 132078000), (12, 110065000), (15, 88052000), (16, 82548750), (20, 66039000), (24, 55032500), (25, 52831200), (30, 44026000), (32, 41274375), (40, 33019500), (48, 27516250), (50, 26415600), (60, 22013000), (75, 17610400), (80, 16509750), (96, 13758125), (100, 13207800), (120, 11006500), (125, 10566240), (150, 8805200), (160, 8254875), (200, 6603900), (240, 5503250), (250, 5283120), (300, 4402600), (375, 3522080), (400, 3301950), (480, 2751625), (500, 2641560), (600, 2201300), (625, 2113248), (750, 1761040), (800, 1650975), (1000, 1320780), (1200, 1100650), (1250, 1056624), (1500, 880520), (1875, 704416), (2000, 660390), (2400, 550325), (2500, 528312), (3000, 440260), (3750, 352208), (4000, 330195), (5000, 264156), (6000, 220130), (7500, 176104), (10000, 132078), (12000, 110065), (15000, 88052), (20000, 66039), (22013, 60000), (30000, 44026)]