280890000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{3121}}^1$

素因数の和:3155

約数の個数: 150

約数和(自身を含む): 982627646

約数和(自身を除く): 701737646

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, 3121, 3600, 3750, 4500, 5000, 5625, 6000, 6242, 7500, 9000, 9363, 10000, 11250, 12484, 15000, 15605, 18000, 18726, 22500, 24968, 28089, 30000, 31210, 37452, 45000, 46815, 49936, 56178, 62420, 74904, 78025, 90000, 93630, 112356, 124840, 140445, 149808, 156050, 187260, 224712, 234075, 249680, 280890, 312100, 374520, 390125, 449424, 468150, 561780, 624200, 702225, 749040, 780250, 936300, 1123560, 1170375, 1248400, 1404450, 1560500, 1872600, 1950625, 2247120, 2340750, 2808900, 3121000, 3511125, 3745200, 3901250, 4681500, 5617800, 5851875, 6242000, 7022250, 7802500, 9363000, 11235600, 11703750, 14044500, 15605000, 17555625, 18726000, 23407500, 28089000, 31210000, 35111250, 46815000, 56178000, 70222500, 93630000, 140445000, 280890000]

約数ペア:

[(1, 280890000), (2, 140445000), (3, 93630000), (4, 70222500), (5, 56178000), (6, 46815000), (8, 35111250), (9, 31210000), (10, 28089000), (12, 23407500), (15, 18726000), (16, 17555625), (18, 15605000), (20, 14044500), (24, 11703750), (25, 11235600), (30, 9363000), (36, 7802500), (40, 7022250), (45, 6242000), (48, 5851875), (50, 5617800), (60, 4681500), (72, 3901250), (75, 3745200), (80, 3511125), (90, 3121000), (100, 2808900), (120, 2340750), (125, 2247120), (144, 1950625), (150, 1872600), (180, 1560500), (200, 1404450), (225, 1248400), (240, 1170375), (250, 1123560), (300, 936300), (360, 780250), (375, 749040), (400, 702225), (450, 624200), (500, 561780), (600, 468150), (625, 449424), (720, 390125), (750, 374520), (900, 312100), (1000, 280890), (1125, 249680), (1200, 234075), (1250, 224712), (1500, 187260), (1800, 156050), (1875, 149808), (2000, 140445), (2250, 124840), (2500, 112356), (3000, 93630), (3121, 90000), (3600, 78025), (3750, 74904), (4500, 62420), (5000, 56178), (5625, 49936), (6000, 46815), (6242, 45000), (7500, 37452), (9000, 31210), (9363, 30000), (10000, 28089), (11250, 24968), (12484, 22500), (15000, 18726), (15605, 18000)]