1008048000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{21001}}^1$

素因数の和:21033

約数の個数: 128

約数和(自身を含む): 3341838240

約数和(自身を除く): 2333790240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 480, 500, 600, 640, 750, 800, 960, 1000, 1200, 1500, 1600, 1920, 2000, 2400, 3000, 3200, 4000, 4800, 6000, 8000, 9600, 12000, 16000, 21001, 24000, 42002, 48000, 63003, 84004, 105005, 126006, 168008, 210010, 252012, 315015, 336016, 420020, 504024, 525025, 630030, 672032, 840040, 1008048, 1050050, 1260060, 1344064, 1575075, 1680080, 2016096, 2100100, 2520120, 2625125, 2688128, 3150150, 3360160, 4032192, 4200200, 5040240, 5250250, 6300300, 6720320, 7875375, 8064384, 8400400, 10080480, 10500500, 12600600, 13440640, 15750750, 16800800, 20160960, 21001000, 25201200, 31501500, 33601600, 40321920, 42002000, 50402400, 63003000, 67203200, 84004000, 100804800, 126006000, 168008000, 201609600, 252012000, 336016000, 504024000, 1008048000]

約数ペア:

[(1, 1008048000), (2, 504024000), (3, 336016000), (4, 252012000), (5, 201609600), (6, 168008000), (8, 126006000), (10, 100804800), (12, 84004000), (15, 67203200), (16, 63003000), (20, 50402400), (24, 42002000), (25, 40321920), (30, 33601600), (32, 31501500), (40, 25201200), (48, 21001000), (50, 20160960), (60, 16800800), (64, 15750750), (75, 13440640), (80, 12600600), (96, 10500500), (100, 10080480), (120, 8400400), (125, 8064384), (128, 7875375), (150, 6720320), (160, 6300300), (192, 5250250), (200, 5040240), (240, 4200200), (250, 4032192), (300, 3360160), (320, 3150150), (375, 2688128), (384, 2625125), (400, 2520120), (480, 2100100), (500, 2016096), (600, 1680080), (640, 1575075), (750, 1344064), (800, 1260060), (960, 1050050), (1000, 1008048), (1200, 840040), (1500, 672032), (1600, 630030), (1920, 525025), (2000, 504024), (2400, 420020), (3000, 336016), (3200, 315015), (4000, 252012), (4800, 210010), (6000, 168008), (8000, 126006), (9600, 105005), (12000, 84004), (16000, 63003), (21001, 48000), (24000, 42002)]