1276800

素因数分解:

$2^7\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 192

約数和(自身を含む): 5059200

約数和(自身を除く): 3782400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 32, 35, 38, 40, 42, 48, 50, 56, 57, 60, 64, 70, 75, 76, 80, 84, 95, 96, 100, 105, 112, 114, 120, 128, 133, 140, 150, 152, 160, 168, 175, 190, 192, 200, 210, 224, 228, 240, 266, 280, 285, 300, 304, 320, 336, 350, 380, 384, 399, 400, 420, 448, 456, 475, 480, 525, 532, 560, 570, 600, 608, 640, 665, 672, 700, 760, 798, 800, 840, 896, 912, 950, 960, 1050, 1064, 1120, 1140, 1200, 1216, 1330, 1344, 1400, 1425, 1520, 1596, 1600, 1680, 1824, 1900, 1920, 1995, 2100, 2128, 2240, 2280, 2400, 2432, 2660, 2688, 2800, 2850, 3040, 3192, 3200, 3325, 3360, 3648, 3800, 3990, 4200, 4256, 4480, 4560, 4800, 5320, 5600, 5700, 6080, 6384, 6650, 6720, 7296, 7600, 7980, 8400, 8512, 9120, 9600, 9975, 10640, 11200, 11400, 12160, 12768, 13300, 13440, 15200, 15960, 16800, 17024, 18240, 19950, 21280, 22400, 22800, 25536, 26600, 30400, 31920, 33600, 36480, 39900, 42560, 45600, 51072, 53200, 60800, 63840, 67200, 79800, 85120, 91200, 106400, 127680, 159600, 182400, 212800, 255360, 319200, 425600, 638400, 1276800]

約数ペア:

[(1, 1276800), (2, 638400), (3, 425600), (4, 319200), (5, 255360), (6, 212800), (7, 182400), (8, 159600), (10, 127680), (12, 106400), (14, 91200), (15, 85120), (16, 79800), (19, 67200), (20, 63840), (21, 60800), (24, 53200), (25, 51072), (28, 45600), (30, 42560), (32, 39900), (35, 36480), (38, 33600), (40, 31920), (42, 30400), (48, 26600), (50, 25536), (56, 22800), (57, 22400), (60, 21280), (64, 19950), (70, 18240), (75, 17024), (76, 16800), (80, 15960), (84, 15200), (95, 13440), (96, 13300), (100, 12768), (105, 12160), (112, 11400), (114, 11200), (120, 10640), (128, 9975), (133, 9600), (140, 9120), (150, 8512), (152, 8400), (160, 7980), (168, 7600), (175, 7296), (190, 6720), (192, 6650), (200, 6384), (210, 6080), (224, 5700), (228, 5600), (240, 5320), (266, 4800), (280, 4560), (285, 4480), (300, 4256), (304, 4200), (320, 3990), (336, 3800), (350, 3648), (380, 3360), (384, 3325), (399, 3200), (400, 3192), (420, 3040), (448, 2850), (456, 2800), (475, 2688), (480, 2660), (525, 2432), (532, 2400), (560, 2280), (570, 2240), (600, 2128), (608, 2100), (640, 1995), (665, 1920), (672, 1900), (700, 1824), (760, 1680), (798, 1600), (800, 1596), (840, 1520), (896, 1425), (912, 1400), (950, 1344), (960, 1330), (1050, 1216), (1064, 1200), (1120, 1140)]