321680800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 288

約数和(自身を含む): 989936640

約数和(自身を除く): 668255840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 31, 32, 34, 35, 40, 50, 56, 62, 68, 70, 80, 85, 100, 109, 112, 119, 124, 136, 140, 155, 160, 170, 175, 200, 217, 218, 224, 238, 248, 272, 280, 310, 340, 350, 400, 425, 434, 436, 476, 496, 527, 544, 545, 560, 595, 620, 680, 700, 763, 775, 800, 850, 868, 872, 952, 992, 1054, 1085, 1090, 1120, 1190, 1240, 1360, 1400, 1526, 1550, 1700, 1736, 1744, 1853, 1904, 2108, 2170, 2180, 2380, 2480, 2635, 2720, 2725, 2800, 2975, 3052, 3100, 3379, 3400, 3472, 3488, 3689, 3706, 3808, 3815, 4216, 4340, 4360, 4760, 4960, 5270, 5425, 5450, 5600, 5950, 6104, 6200, 6758, 6800, 6944, 7378, 7412, 7630, 8432, 8680, 8720, 9265, 9520, 10540, 10850, 10900, 11900, 12208, 12400, 12971, 13175, 13516, 13600, 14756, 14824, 15260, 16864, 16895, 17360, 17440, 18445, 18530, 19040, 19075, 21080, 21700, 21800, 23653, 23800, 24416, 24800, 25942, 26350, 27032, 29512, 29648, 30520, 33790, 34720, 36890, 37060, 38150, 42160, 43400, 43600, 46325, 47306, 47600, 51884, 52700, 54064, 57443, 59024, 59296, 61040, 64855, 67580, 73780, 74120, 76300, 84320, 84475, 86800, 87200, 92225, 92650, 94612, 95200, 103768, 105400, 108128, 114886, 118048, 118265, 122080, 129710, 135160, 147560, 148240, 152600, 168950, 173600, 184450, 185300, 189224, 207536, 210800, 229772, 236530, 259420, 270320, 287215, 295120, 296480, 305200, 324275, 337900, 368900, 370600, 378448, 402101, 415072, 421600, 459544, 473060, 518840, 540640, 574430, 590240, 591325, 610400, 648550, 675800, 737800, 741200, 756896, 804202, 919088, 946120, 1037680, 1148860, 1182650, 1297100, 1351600, 1436075, 1475600, 1482400, 1608404, 1838176, 1892240, 2010505, 2075360, 2297720, 2365300, 2594200, 2703200, 2872150, 2951200, 3216808, 3784480, 4021010, 4595440, 4730600, 5188400, 5744300, 6433616, 8042020, 9190880, 9461200, 10052525, 10376800, 11488600, 12867232, 16084040, 18922400, 20105050, 22977200, 32168080, 40210100, 45954400, 64336160, 80420200, 160840400, 321680800]

約数ペア:

[(1, 321680800), (2, 160840400), (4, 80420200), (5, 64336160), (7, 45954400), (8, 40210100), (10, 32168080), (14, 22977200), (16, 20105050), (17, 18922400), (20, 16084040), (25, 12867232), (28, 11488600), (31, 10376800), (32, 10052525), (34, 9461200), (35, 9190880), (40, 8042020), (50, 6433616), (56, 5744300), (62, 5188400), (68, 4730600), (70, 4595440), (80, 4021010), (85, 3784480), (100, 3216808), (109, 2951200), (112, 2872150), (119, 2703200), (124, 2594200), (136, 2365300), (140, 2297720), (155, 2075360), (160, 2010505), (170, 1892240), (175, 1838176), (200, 1608404), (217, 1482400), (218, 1475600), (224, 1436075), (238, 1351600), (248, 1297100), (272, 1182650), (280, 1148860), (310, 1037680), (340, 946120), (350, 919088), (400, 804202), (425, 756896), (434, 741200), (436, 737800), (476, 675800), (496, 648550), (527, 610400), (544, 591325), (545, 590240), (560, 574430), (595, 540640), (620, 518840), (680, 473060), (700, 459544), (763, 421600), (775, 415072), (800, 402101), (850, 378448), (868, 370600), (872, 368900), (952, 337900), (992, 324275), (1054, 305200), (1085, 296480), (1090, 295120), (1120, 287215), (1190, 270320), (1240, 259420), (1360, 236530), (1400, 229772), (1526, 210800), (1550, 207536), (1700, 189224), (1736, 185300), (1744, 184450), (1853, 173600), (1904, 168950), (2108, 152600), (2170, 148240), (2180, 147560), (2380, 135160), (2480, 129710), (2635, 122080), (2720, 118265), (2725, 118048), (2800, 114886), (2975, 108128), (3052, 105400), (3100, 103768), (3379, 95200), (3400, 94612), (3472, 92650), (3488, 92225), (3689, 87200), (3706, 86800), (3808, 84475), (3815, 84320), (4216, 76300), (4340, 74120), (4360, 73780), (4760, 67580), (4960, 64855), (5270, 61040), (5425, 59296), (5450, 59024), (5600, 57443), (5950, 54064), (6104, 52700), (6200, 51884), (6758, 47600), (6800, 47306), (6944, 46325), (7378, 43600), (7412, 43400), (7630, 42160), (8432, 38150), (8680, 37060), (8720, 36890), (9265, 34720), (9520, 33790), (10540, 30520), (10850, 29648), (10900, 29512), (11900, 27032), (12208, 26350), (12400, 25942), (12971, 24800), (13175, 24416), (13516, 23800), (13600, 23653), (14756, 21800), (14824, 21700), (15260, 21080), (16864, 19075), (16895, 19040), (17360, 18530), (17440, 18445)]