2561520000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 320

約数和(自身を含む): 9167502960

約数和(自身を除く): 6605982960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 260, 300, 312, 320, 325, 375, 384, 390, 400, 416, 480, 500, 520, 600, 624, 625, 640, 650, 750, 780, 800, 821, 832, 960, 975, 1000, 1040, 1200, 1248, 1250, 1300, 1500, 1560, 1600, 1625, 1642, 1664, 1875, 1920, 1950, 2000, 2080, 2400, 2463, 2496, 2500, 2600, 3000, 3120, 3200, 3250, 3284, 3750, 3900, 4000, 4105, 4160, 4800, 4875, 4926, 4992, 5000, 5200, 6000, 6240, 6500, 6568, 7500, 7800, 8000, 8125, 8210, 8320, 9600, 9750, 9852, 10000, 10400, 10673, 12000, 12315, 12480, 13000, 13136, 15000, 15600, 16000, 16250, 16420, 19500, 19704, 20000, 20525, 20800, 21346, 24000, 24375, 24630, 24960, 26000, 26272, 30000, 31200, 32019, 32500, 32840, 39000, 39408, 40000, 41050, 41600, 42692, 48000, 48750, 49260, 52000, 52544, 53365, 60000, 61575, 62400, 64038, 65000, 65680, 78000, 78816, 80000, 82100, 85384, 97500, 98520, 102625, 104000, 105088, 106730, 120000, 123150, 124800, 128076, 130000, 131360, 156000, 157632, 160095, 164200, 170768, 195000, 197040, 205250, 208000, 213460, 240000, 246300, 256152, 260000, 262720, 266825, 307875, 312000, 315264, 320190, 328400, 341536, 390000, 394080, 410500, 426920, 492600, 512304, 513125, 520000, 525440, 533650, 615750, 624000, 640380, 656800, 683072, 780000, 788160, 800475, 821000, 853840, 985200, 1024608, 1026250, 1040000, 1067300, 1231500, 1280760, 1313600, 1334125, 1366144, 1539375, 1560000, 1576320, 1600950, 1642000, 1707680, 1970400, 2049216, 2052500, 2134600, 2463000, 2561520, 2627200, 2668250, 3078750, 3120000, 3201900, 3284000, 3415360, 3940800, 4002375, 4098432, 4105000, 4269200, 4926000, 5123040, 5336500, 6157500, 6403800, 6568000, 6670625, 6830720, 7881600, 8004750, 8210000, 8538400, 9852000, 10246080, 10673000, 12315000, 12807600, 13136000, 13341250, 16009500, 16420000, 17076800, 19704000, 20011875, 20492160, 21346000, 24630000, 25615200, 26682500, 32019000, 32840000, 34153600, 39408000, 40023750, 42692000, 49260000, 51230400, 53365000, 64038000, 65680000, 80047500, 85384000, 98520000, 102460800, 106730000, 128076000, 160095000, 170768000, 197040000, 213460000, 256152000, 320190000, 426920000, 512304000, 640380000, 853840000, 1280760000, 2561520000]

約数ペア:

[(1, 2561520000), (2, 1280760000), (3, 853840000), (4, 640380000), (5, 512304000), (6, 426920000), (8, 320190000), (10, 256152000), (12, 213460000), (13, 197040000), (15, 170768000), (16, 160095000), (20, 128076000), (24, 106730000), (25, 102460800), (26, 98520000), (30, 85384000), (32, 80047500), (39, 65680000), (40, 64038000), (48, 53365000), (50, 51230400), (52, 49260000), (60, 42692000), (64, 40023750), (65, 39408000), (75, 34153600), (78, 32840000), (80, 32019000), (96, 26682500), (100, 25615200), (104, 24630000), (120, 21346000), (125, 20492160), (128, 20011875), (130, 19704000), (150, 17076800), (156, 16420000), (160, 16009500), (192, 13341250), (195, 13136000), (200, 12807600), (208, 12315000), (240, 10673000), (250, 10246080), (260, 9852000), (300, 8538400), (312, 8210000), (320, 8004750), (325, 7881600), (375, 6830720), (384, 6670625), (390, 6568000), (400, 6403800), (416, 6157500), (480, 5336500), (500, 5123040), (520, 4926000), (600, 4269200), (624, 4105000), (625, 4098432), (640, 4002375), (650, 3940800), (750, 3415360), (780, 3284000), (800, 3201900), (821, 3120000), (832, 3078750), (960, 2668250), (975, 2627200), (1000, 2561520), (1040, 2463000), (1200, 2134600), (1248, 2052500), (1250, 2049216), (1300, 1970400), (1500, 1707680), (1560, 1642000), (1600, 1600950), (1625, 1576320), (1642, 1560000), (1664, 1539375), (1875, 1366144), (1920, 1334125), (1950, 1313600), (2000, 1280760), (2080, 1231500), (2400, 1067300), (2463, 1040000), (2496, 1026250), (2500, 1024608), (2600, 985200), (3000, 853840), (3120, 821000), (3200, 800475), (3250, 788160), (3284, 780000), (3750, 683072), (3900, 656800), (4000, 640380), (4105, 624000), (4160, 615750), (4800, 533650), (4875, 525440), (4926, 520000), (4992, 513125), (5000, 512304), (5200, 492600), (6000, 426920), (6240, 410500), (6500, 394080), (6568, 390000), (7500, 341536), (7800, 328400), (8000, 320190), (8125, 315264), (8210, 312000), (8320, 307875), (9600, 266825), (9750, 262720), (9852, 260000), (10000, 256152), (10400, 246300), (10673, 240000), (12000, 213460), (12315, 208000), (12480, 205250), (13000, 197040), (13136, 195000), (15000, 170768), (15600, 164200), (16000, 160095), (16250, 157632), (16420, 156000), (19500, 131360), (19704, 130000), (20000, 128076), (20525, 124800), (20800, 123150), (21346, 120000), (24000, 106730), (24375, 105088), (24630, 104000), (24960, 102625), (26000, 98520), (26272, 97500), (30000, 85384), (31200, 82100), (32019, 80000), (32500, 78816), (32840, 78000), (39000, 65680), (39408, 65000), (40000, 64038), (41050, 62400), (41600, 61575), (42692, 60000), (48000, 53365), (48750, 52544), (49260, 52000)]