1998720000

素因数分解:

$2^{10}\times 3^2\times 5^4\times {\mathrm{347}}^1$

素因数の和:393

約数の個数: 330

約数和(自身を含む): 7232550468

約数和(自身を除く): 5233830468

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 256, 288, 300, 320, 347, 360, 375, 384, 400, 450, 480, 500, 512, 576, 600, 625, 640, 694, 720, 750, 768, 800, 900, 960, 1000, 1024, 1041, 1125, 1152, 1200, 1250, 1280, 1388, 1440, 1500, 1536, 1600, 1735, 1800, 1875, 1920, 2000, 2082, 2250, 2304, 2400, 2500, 2560, 2776, 2880, 3000, 3072, 3123, 3200, 3470, 3600, 3750, 3840, 4000, 4164, 4500, 4608, 4800, 5000, 5120, 5205, 5552, 5625, 5760, 6000, 6246, 6400, 6940, 7200, 7500, 7680, 8000, 8328, 8675, 9000, 9216, 9600, 10000, 10410, 11104, 11250, 11520, 12000, 12492, 12800, 13880, 14400, 15000, 15360, 15615, 16000, 16656, 17350, 18000, 19200, 20000, 20820, 22208, 22500, 23040, 24000, 24984, 25600, 26025, 27760, 28800, 30000, 31230, 32000, 33312, 34700, 36000, 38400, 40000, 41640, 43375, 44416, 45000, 46080, 48000, 49968, 52050, 55520, 57600, 60000, 62460, 64000, 66624, 69400, 72000, 76800, 78075, 80000, 83280, 86750, 88832, 90000, 96000, 99936, 104100, 111040, 115200, 120000, 124920, 128000, 130125, 133248, 138800, 144000, 156150, 160000, 166560, 173500, 177664, 180000, 192000, 199872, 208200, 216875, 222080, 230400, 240000, 249840, 260250, 266496, 277600, 288000, 312300, 320000, 333120, 347000, 355328, 360000, 384000, 390375, 399744, 416400, 433750, 444160, 480000, 499680, 520500, 532992, 555200, 576000, 624600, 640000, 650625, 666240, 694000, 720000, 780750, 799488, 832800, 867500, 888320, 960000, 999360, 1041000, 1065984, 1110400, 1152000, 1249200, 1301250, 1332480, 1388000, 1440000, 1561500, 1598976, 1665600, 1735000, 1776640, 1920000, 1951875, 1998720, 2082000, 2220800, 2498400, 2602500, 2664960, 2776000, 2880000, 3123000, 3197952, 3331200, 3470000, 3903750, 3997440, 4164000, 4441600, 4996800, 5205000, 5329920, 5552000, 5760000, 6246000, 6662400, 6940000, 7807500, 7994880, 8328000, 8883200, 9993600, 10410000, 11104000, 12492000, 13324800, 13880000, 15615000, 15989760, 16656000, 19987200, 20820000, 22208000, 24984000, 26649600, 27760000, 31230000, 33312000, 39974400, 41640000, 44416000, 49968000, 55520000, 62460000, 66624000, 79948800, 83280000, 99936000, 111040000, 124920000, 133248000, 166560000, 199872000, 222080000, 249840000, 333120000, 399744000, 499680000, 666240000, 999360000, 1998720000]

約数ペア:

[(1, 1998720000), (2, 999360000), (3, 666240000), (4, 499680000), (5, 399744000), (6, 333120000), (8, 249840000), (9, 222080000), (10, 199872000), (12, 166560000), (15, 133248000), (16, 124920000), (18, 111040000), (20, 99936000), (24, 83280000), (25, 79948800), (30, 66624000), (32, 62460000), (36, 55520000), (40, 49968000), (45, 44416000), (48, 41640000), (50, 39974400), (60, 33312000), (64, 31230000), (72, 27760000), (75, 26649600), (80, 24984000), (90, 22208000), (96, 20820000), (100, 19987200), (120, 16656000), (125, 15989760), (128, 15615000), (144, 13880000), (150, 13324800), (160, 12492000), (180, 11104000), (192, 10410000), (200, 9993600), (225, 8883200), (240, 8328000), (250, 7994880), (256, 7807500), (288, 6940000), (300, 6662400), (320, 6246000), (347, 5760000), (360, 5552000), (375, 5329920), (384, 5205000), (400, 4996800), (450, 4441600), (480, 4164000), (500, 3997440), (512, 3903750), (576, 3470000), (600, 3331200), (625, 3197952), (640, 3123000), (694, 2880000), (720, 2776000), (750, 2664960), (768, 2602500), (800, 2498400), (900, 2220800), (960, 2082000), (1000, 1998720), (1024, 1951875), (1041, 1920000), (1125, 1776640), (1152, 1735000), (1200, 1665600), (1250, 1598976), (1280, 1561500), (1388, 1440000), (1440, 1388000), (1500, 1332480), (1536, 1301250), (1600, 1249200), (1735, 1152000), (1800, 1110400), (1875, 1065984), (1920, 1041000), (2000, 999360), (2082, 960000), (2250, 888320), (2304, 867500), (2400, 832800), (2500, 799488), (2560, 780750), (2776, 720000), (2880, 694000), (3000, 666240), (3072, 650625), (3123, 640000), (3200, 624600), (3470, 576000), (3600, 555200), (3750, 532992), (3840, 520500), (4000, 499680), (4164, 480000), (4500, 444160), (4608, 433750), (4800, 416400), (5000, 399744), (5120, 390375), (5205, 384000), (5552, 360000), (5625, 355328), (5760, 347000), (6000, 333120), (6246, 320000), (6400, 312300), (6940, 288000), (7200, 277600), (7500, 266496), (7680, 260250), (8000, 249840), (8328, 240000), (8675, 230400), (9000, 222080), (9216, 216875), (9600, 208200), (10000, 199872), (10410, 192000), (11104, 180000), (11250, 177664), (11520, 173500), (12000, 166560), (12492, 160000), (12800, 156150), (13880, 144000), (14400, 138800), (15000, 133248), (15360, 130125), (15615, 128000), (16000, 124920), (16656, 120000), (17350, 115200), (18000, 111040), (19200, 104100), (20000, 99936), (20820, 96000), (22208, 90000), (22500, 88832), (23040, 86750), (24000, 83280), (24984, 80000), (25600, 78075), (26025, 76800), (27760, 72000), (28800, 69400), (30000, 66624), (31230, 64000), (32000, 62460), (33312, 60000), (34700, 57600), (36000, 55520), (38400, 52050), (40000, 49968), (41640, 48000), (43375, 46080), (44416, 45000)]