20681775000

素因数分解:

$2^3\times 3^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{5407}}^1$

素因数の和:5461

約数の個数: 288

約数和(自身を含む): 74144004480

約数和(自身を除く): 53462229480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 125, 136, 150, 153, 170, 180, 200, 204, 225, 250, 255, 300, 306, 340, 360, 375, 408, 425, 450, 500, 510, 600, 612, 625, 680, 750, 765, 850, 900, 1000, 1020, 1125, 1224, 1250, 1275, 1500, 1530, 1700, 1800, 1875, 2040, 2125, 2250, 2500, 2550, 3000, 3060, 3125, 3400, 3750, 3825, 4250, 4500, 5000, 5100, 5407, 5625, 6120, 6250, 6375, 7500, 7650, 8500, 9000, 9375, 10200, 10625, 10814, 11250, 12500, 12750, 15000, 15300, 16221, 17000, 18750, 19125, 21250, 21628, 22500, 25000, 25500, 27035, 28125, 30600, 31875, 32442, 37500, 38250, 42500, 43256, 45000, 48663, 51000, 53125, 54070, 56250, 63750, 64884, 75000, 76500, 81105, 85000, 91919, 95625, 97326, 106250, 108140, 112500, 127500, 129768, 135175, 153000, 159375, 162210, 183838, 191250, 194652, 212500, 216280, 225000, 243315, 255000, 270350, 275757, 318750, 324420, 367676, 382500, 389304, 405525, 425000, 459595, 478125, 486630, 540700, 551514, 637500, 648840, 675875, 735352, 765000, 811050, 827271, 919190, 956250, 973260, 1081400, 1103028, 1216575, 1275000, 1351750, 1378785, 1622100, 1654542, 1838380, 1912500, 1946520, 2027625, 2206056, 2297975, 2433150, 2703500, 2757570, 3244200, 3309084, 3379375, 3676760, 3825000, 4055250, 4136355, 4595950, 4866300, 5407000, 5515140, 6082875, 6618168, 6758750, 6893925, 8110500, 8272710, 9191900, 9732600, 10138125, 11030280, 11489875, 12165750, 13517500, 13787850, 16221000, 16545420, 16896875, 18383800, 20276250, 20681775, 22979750, 24331500, 27035000, 27575700, 30414375, 33090840, 33793750, 34469625, 40552500, 41363550, 45959500, 48663000, 50690625, 55151400, 57449375, 60828750, 67587500, 68939250, 81105000, 82727100, 91919000, 101381250, 103408875, 114898750, 121657500, 135175000, 137878500, 152071875, 165454200, 172348125, 202762500, 206817750, 229797500, 243315000, 275757000, 287246875, 304143750, 344696250, 405525000, 413635500, 459595000, 517044375, 574493750, 608287500, 689392500, 827271000, 861740625, 1034088750, 1148987500, 1216575000, 1378785000, 1723481250, 2068177500, 2297975000, 2585221875, 3446962500, 4136355000, 5170443750, 6893925000, 10340887500, 20681775000]

約数ペア:

[(1, 20681775000), (2, 10340887500), (3, 6893925000), (4, 5170443750), (5, 4136355000), (6, 3446962500), (8, 2585221875), (9, 2297975000), (10, 2068177500), (12, 1723481250), (15, 1378785000), (17, 1216575000), (18, 1148987500), (20, 1034088750), (24, 861740625), (25, 827271000), (30, 689392500), (34, 608287500), (36, 574493750), (40, 517044375), (45, 459595000), (50, 413635500), (51, 405525000), (60, 344696250), (68, 304143750), (72, 287246875), (75, 275757000), (85, 243315000), (90, 229797500), (100, 206817750), (102, 202762500), (120, 172348125), (125, 165454200), (136, 152071875), (150, 137878500), (153, 135175000), (170, 121657500), (180, 114898750), (200, 103408875), (204, 101381250), (225, 91919000), (250, 82727100), (255, 81105000), (300, 68939250), (306, 67587500), (340, 60828750), (360, 57449375), (375, 55151400), (408, 50690625), (425, 48663000), (450, 45959500), (500, 41363550), (510, 40552500), (600, 34469625), (612, 33793750), (625, 33090840), (680, 30414375), (750, 27575700), (765, 27035000), (850, 24331500), (900, 22979750), (1000, 20681775), (1020, 20276250), (1125, 18383800), (1224, 16896875), (1250, 16545420), (1275, 16221000), (1500, 13787850), (1530, 13517500), (1700, 12165750), (1800, 11489875), (1875, 11030280), (2040, 10138125), (2125, 9732600), (2250, 9191900), (2500, 8272710), (2550, 8110500), (3000, 6893925), (3060, 6758750), (3125, 6618168), (3400, 6082875), (3750, 5515140), (3825, 5407000), (4250, 4866300), (4500, 4595950), (5000, 4136355), (5100, 4055250), (5407, 3825000), (5625, 3676760), (6120, 3379375), (6250, 3309084), (6375, 3244200), (7500, 2757570), (7650, 2703500), (8500, 2433150), (9000, 2297975), (9375, 2206056), (10200, 2027625), (10625, 1946520), (10814, 1912500), (11250, 1838380), (12500, 1654542), (12750, 1622100), (15000, 1378785), (15300, 1351750), (16221, 1275000), (17000, 1216575), (18750, 1103028), (19125, 1081400), (21250, 973260), (21628, 956250), (22500, 919190), (25000, 827271), (25500, 811050), (27035, 765000), (28125, 735352), (30600, 675875), (31875, 648840), (32442, 637500), (37500, 551514), (38250, 540700), (42500, 486630), (43256, 478125), (45000, 459595), (48663, 425000), (51000, 405525), (53125, 389304), (54070, 382500), (56250, 367676), (63750, 324420), (64884, 318750), (75000, 275757), (76500, 270350), (81105, 255000), (85000, 243315), (91919, 225000), (95625, 216280), (97326, 212500), (106250, 194652), (108140, 191250), (112500, 183838), (127500, 162210), (129768, 159375), (135175, 153000)]