256860000

素因数分解:

$2^5\times 3^2\times 5^4\times {\mathrm{1427}}^1$

素因数の和:1463

約数の個数: 180

約数和(自身を含む): 913404492

約数和(自身を除く): 656544492

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 200, 225, 240, 250, 288, 300, 360, 375, 400, 450, 480, 500, 600, 625, 720, 750, 800, 900, 1000, 1125, 1200, 1250, 1427, 1440, 1500, 1800, 1875, 2000, 2250, 2400, 2500, 2854, 3000, 3600, 3750, 4000, 4281, 4500, 5000, 5625, 5708, 6000, 7135, 7200, 7500, 8562, 9000, 10000, 11250, 11416, 12000, 12843, 14270, 15000, 17124, 18000, 20000, 21405, 22500, 22832, 25686, 28540, 30000, 34248, 35675, 36000, 42810, 45000, 45664, 51372, 57080, 60000, 64215, 68496, 71350, 85620, 90000, 102744, 107025, 114160, 128430, 136992, 142700, 171240, 178375, 180000, 205488, 214050, 228320, 256860, 285400, 321075, 342480, 356750, 410976, 428100, 513720, 535125, 570800, 642150, 684960, 713500, 856200, 891875, 1027440, 1070250, 1141600, 1284300, 1427000, 1605375, 1712400, 1783750, 2054880, 2140500, 2568600, 2675625, 2854000, 3210750, 3424800, 3567500, 4281000, 5137200, 5351250, 5708000, 6421500, 7135000, 8026875, 8562000, 10274400, 10702500, 12843000, 14270000, 16053750, 17124000, 21405000, 25686000, 28540000, 32107500, 42810000, 51372000, 64215000, 85620000, 128430000, 256860000]

約数ペア:

[(1, 256860000), (2, 128430000), (3, 85620000), (4, 64215000), (5, 51372000), (6, 42810000), (8, 32107500), (9, 28540000), (10, 25686000), (12, 21405000), (15, 17124000), (16, 16053750), (18, 14270000), (20, 12843000), (24, 10702500), (25, 10274400), (30, 8562000), (32, 8026875), (36, 7135000), (40, 6421500), (45, 5708000), (48, 5351250), (50, 5137200), (60, 4281000), (72, 3567500), (75, 3424800), (80, 3210750), (90, 2854000), (96, 2675625), (100, 2568600), (120, 2140500), (125, 2054880), (144, 1783750), (150, 1712400), (160, 1605375), (180, 1427000), (200, 1284300), (225, 1141600), (240, 1070250), (250, 1027440), (288, 891875), (300, 856200), (360, 713500), (375, 684960), (400, 642150), (450, 570800), (480, 535125), (500, 513720), (600, 428100), (625, 410976), (720, 356750), (750, 342480), (800, 321075), (900, 285400), (1000, 256860), (1125, 228320), (1200, 214050), (1250, 205488), (1427, 180000), (1440, 178375), (1500, 171240), (1800, 142700), (1875, 136992), (2000, 128430), (2250, 114160), (2400, 107025), (2500, 102744), (2854, 90000), (3000, 85620), (3600, 71350), (3750, 68496), (4000, 64215), (4281, 60000), (4500, 57080), (5000, 51372), (5625, 45664), (5708, 45000), (6000, 42810), (7135, 36000), (7200, 35675), (7500, 34248), (8562, 30000), (9000, 28540), (10000, 25686), (11250, 22832), (11416, 22500), (12000, 21405), (12843, 20000), (14270, 18000), (15000, 17124)]