256734000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:885

約数の個数: 240

約数和(自身を含む): 950564160

約数和(自身を除く): 693830160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 100, 102, 120, 125, 136, 144, 150, 153, 170, 180, 200, 204, 225, 240, 250, 255, 272, 300, 306, 340, 360, 375, 400, 408, 425, 450, 500, 510, 600, 612, 680, 720, 750, 765, 816, 839, 850, 900, 1000, 1020, 1125, 1200, 1224, 1275, 1360, 1500, 1530, 1678, 1700, 1800, 2000, 2040, 2125, 2250, 2448, 2517, 2550, 3000, 3060, 3356, 3400, 3600, 3825, 4080, 4195, 4250, 4500, 5034, 5100, 6000, 6120, 6375, 6712, 6800, 7551, 7650, 8390, 8500, 9000, 10068, 10200, 12240, 12585, 12750, 13424, 14263, 15102, 15300, 16780, 17000, 18000, 19125, 20136, 20400, 20975, 25170, 25500, 28526, 30204, 30600, 33560, 34000, 37755, 38250, 40272, 41950, 42789, 50340, 51000, 57052, 60408, 61200, 62925, 67120, 71315, 75510, 76500, 83900, 85578, 100680, 102000, 104875, 114104, 120816, 125850, 128367, 142630, 151020, 153000, 167800, 171156, 188775, 201360, 209750, 213945, 228208, 251700, 256734, 285260, 302040, 306000, 314625, 335600, 342312, 356575, 377550, 419500, 427890, 503400, 513468, 570520, 604080, 629250, 641835, 684624, 713150, 755100, 839000, 855780, 943875, 1006800, 1026936, 1069725, 1141040, 1258500, 1283670, 1426300, 1510200, 1678000, 1711560, 1782875, 1887750, 2053872, 2139450, 2517000, 2567340, 2852600, 3020400, 3209175, 3423120, 3565750, 3775500, 4278900, 5034000, 5134680, 5348625, 5705200, 6418350, 7131500, 7551000, 8557800, 10269360, 10697250, 12836700, 14263000, 15102000, 16045875, 17115600, 21394500, 25673400, 28526000, 32091750, 42789000, 51346800, 64183500, 85578000, 128367000, 256734000]

約数ペア:

[(1, 256734000), (2, 128367000), (3, 85578000), (4, 64183500), (5, 51346800), (6, 42789000), (8, 32091750), (9, 28526000), (10, 25673400), (12, 21394500), (15, 17115600), (16, 16045875), (17, 15102000), (18, 14263000), (20, 12836700), (24, 10697250), (25, 10269360), (30, 8557800), (34, 7551000), (36, 7131500), (40, 6418350), (45, 5705200), (48, 5348625), (50, 5134680), (51, 5034000), (60, 4278900), (68, 3775500), (72, 3565750), (75, 3423120), (80, 3209175), (85, 3020400), (90, 2852600), (100, 2567340), (102, 2517000), (120, 2139450), (125, 2053872), (136, 1887750), (144, 1782875), (150, 1711560), (153, 1678000), (170, 1510200), (180, 1426300), (200, 1283670), (204, 1258500), (225, 1141040), (240, 1069725), (250, 1026936), (255, 1006800), (272, 943875), (300, 855780), (306, 839000), (340, 755100), (360, 713150), (375, 684624), (400, 641835), (408, 629250), (425, 604080), (450, 570520), (500, 513468), (510, 503400), (600, 427890), (612, 419500), (680, 377550), (720, 356575), (750, 342312), (765, 335600), (816, 314625), (839, 306000), (850, 302040), (900, 285260), (1000, 256734), (1020, 251700), (1125, 228208), (1200, 213945), (1224, 209750), (1275, 201360), (1360, 188775), (1500, 171156), (1530, 167800), (1678, 153000), (1700, 151020), (1800, 142630), (2000, 128367), (2040, 125850), (2125, 120816), (2250, 114104), (2448, 104875), (2517, 102000), (2550, 100680), (3000, 85578), (3060, 83900), (3356, 76500), (3400, 75510), (3600, 71315), (3825, 67120), (4080, 62925), (4195, 61200), (4250, 60408), (4500, 57052), (5034, 51000), (5100, 50340), (6000, 42789), (6120, 41950), (6375, 40272), (6712, 38250), (6800, 37755), (7551, 34000), (7650, 33560), (8390, 30600), (8500, 30204), (9000, 28526), (10068, 25500), (10200, 25170), (12240, 20975), (12585, 20400), (12750, 20136), (13424, 19125), (14263, 18000), (15102, 17000), (15300, 16780)]