638400000

素因数分解:

$2^9\times 3^1\times 5^5\times 7^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 480

約数和(自身を含む): 2557336320

約数和(自身を除く): 1918936320

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, 125, 128, 133, 140, 150, 152, 160, 168, 175, 190, 192, 200, 210, 224, 228, 240, 250, 256, 266, 280, 285, 300, 304, 320, 336, 350, 375, 380, 384, 399, 400, 420, 448, 456, 475, 480, 500, 512, 525, 532, 560, 570, 600, 608, 625, 640, 665, 672, 700, 750, 760, 768, 798, 800, 840, 875, 896, 912, 950, 960, 1000, 1050, 1064, 1120, 1140, 1200, 1216, 1250, 1280, 1330, 1344, 1400, 1425, 1500, 1520, 1536, 1596, 1600, 1680, 1750, 1792, 1824, 1875, 1900, 1920, 1995, 2000, 2100, 2128, 2240, 2280, 2375, 2400, 2432, 2500, 2560, 2625, 2660, 2688, 2800, 2850, 3000, 3040, 3125, 3192, 3200, 3325, 3360, 3500, 3584, 3648, 3750, 3800, 3840, 3990, 4000, 4200, 4256, 4375, 4480, 4560, 4750, 4800, 4864, 5000, 5250, 5320, 5376, 5600, 5700, 6000, 6080, 6250, 6384, 6400, 6650, 6720, 7000, 7125, 7296, 7500, 7600, 7680, 7980, 8000, 8400, 8512, 8750, 8960, 9120, 9375, 9500, 9600, 9728, 9975, 10000, 10500, 10640, 10752, 11200, 11400, 11875, 12000, 12160, 12500, 12768, 12800, 13125, 13300, 13440, 14000, 14250, 14592, 15000, 15200, 15960, 16000, 16625, 16800, 17024, 17500, 17920, 18240, 18750, 19000, 19200, 19950, 20000, 21000, 21280, 21875, 22400, 22800, 23750, 24000, 24320, 25000, 25536, 26250, 26600, 26880, 28000, 28500, 29184, 30000, 30400, 31920, 32000, 33250, 33600, 34048, 35000, 35625, 36480, 37500, 38000, 38400, 39900, 40000, 42000, 42560, 43750, 44800, 45600, 47500, 48000, 48640, 49875, 50000, 51072, 52500, 53200, 53760, 56000, 57000, 59375, 60000, 60800, 63840, 64000, 65625, 66500, 67200, 68096, 70000, 71250, 72960, 75000, 76000, 79800, 80000, 83125, 84000, 85120, 87500, 89600, 91200, 95000, 96000, 99750, 100000, 102144, 105000, 106400, 112000, 114000, 118750, 120000, 121600, 127680, 131250, 133000, 134400, 140000, 142500, 145920, 150000, 152000, 159600, 160000, 166250, 168000, 170240, 175000, 178125, 182400, 190000, 192000, 199500, 200000, 204288, 210000, 212800, 224000, 228000, 237500, 240000, 243200, 249375, 255360, 262500, 266000, 268800, 280000, 285000, 300000, 304000, 319200, 320000, 332500, 336000, 340480, 350000, 356250, 364800, 380000, 399000, 400000, 415625, 420000, 425600, 448000, 456000, 475000, 480000, 498750, 510720, 525000, 532000, 560000, 570000, 600000, 608000, 638400, 665000, 672000, 700000, 712500, 729600, 760000, 798000, 800000, 831250, 840000, 851200, 912000, 950000, 960000, 997500, 1021440, 1050000, 1064000, 1120000, 1140000, 1200000, 1216000, 1246875, 1276800, 1330000, 1344000, 1400000, 1425000, 1520000, 1596000, 1600000, 1662500, 1680000, 1702400, 1824000, 1900000, 1995000, 2100000, 2128000, 2240000, 2280000, 2400000, 2493750, 2553600, 2660000, 2800000, 2850000, 3040000, 3192000, 3325000, 3360000, 3648000, 3800000, 3990000, 4200000, 4256000, 4560000, 4800000, 4987500, 5107200, 5320000, 5600000, 5700000, 6080000, 6384000, 6650000, 6720000, 7600000, 7980000, 8400000, 8512000, 9120000, 9975000, 10640000, 11200000, 11400000, 12768000, 13300000, 15200000, 15960000, 16800000, 18240000, 19950000, 21280000, 22800000, 25536000, 26600000, 30400000, 31920000, 33600000, 39900000, 42560000, 45600000, 53200000, 63840000, 79800000, 91200000, 106400000, 127680000, 159600000, 212800000, 319200000, 638400000]

約数ペア:

[(1, 638400000), (2, 319200000), (3, 212800000), (4, 159600000), (5, 127680000), (6, 106400000), (7, 91200000), (8, 79800000), (10, 63840000), (12, 53200000), (14, 45600000), (15, 42560000), (16, 39900000), (19, 33600000), (20, 31920000), (21, 30400000), (24, 26600000), (25, 25536000), (28, 22800000), (30, 21280000), (32, 19950000), (35, 18240000), (38, 16800000), (40, 15960000), (42, 15200000), (48, 13300000), (50, 12768000), (56, 11400000), (57, 11200000), (60, 10640000), (64, 9975000), (70, 9120000), (75, 8512000), (76, 8400000), (80, 7980000), (84, 7600000), (95, 6720000), (96, 6650000), (100, 6384000), (105, 6080000), (112, 5700000), (114, 5600000), (120, 5320000), (125, 5107200), (128, 4987500), (133, 4800000), (140, 4560000), (150, 4256000), (152, 4200000), (160, 3990000), (168, 3800000), (175, 3648000), (190, 3360000), (192, 3325000), (200, 3192000), (210, 3040000), (224, 2850000), (228, 2800000), (240, 2660000), (250, 2553600), (256, 2493750), (266, 2400000), (280, 2280000), (285, 2240000), (300, 2128000), (304, 2100000), (320, 1995000), (336, 1900000), (350, 1824000), (375, 1702400), (380, 1680000), (384, 1662500), (399, 1600000), (400, 1596000), (420, 1520000), (448, 1425000), (456, 1400000), (475, 1344000), (480, 1330000), (500, 1276800), (512, 1246875), (525, 1216000), (532, 1200000), (560, 1140000), (570, 1120000), (600, 1064000), (608, 1050000), (625, 1021440), (640, 997500), (665, 960000), (672, 950000), (700, 912000), (750, 851200), (760, 840000), (768, 831250), (798, 800000), (800, 798000), (840, 760000), (875, 729600), (896, 712500), (912, 700000), (950, 672000), (960, 665000), (1000, 638400), (1050, 608000), (1064, 600000), (1120, 570000), (1140, 560000), (1200, 532000), (1216, 525000), (1250, 510720), (1280, 498750), (1330, 480000), (1344, 475000), (1400, 456000), (1425, 448000), (1500, 425600), (1520, 420000), (1536, 415625), (1596, 400000), (1600, 399000), (1680, 380000), (1750, 364800), (1792, 356250), (1824, 350000), (1875, 340480), (1900, 336000), (1920, 332500), (1995, 320000), (2000, 319200), (2100, 304000), (2128, 300000), (2240, 285000), (2280, 280000), (2375, 268800), (2400, 266000), (2432, 262500), (2500, 255360), (2560, 249375), (2625, 243200), (2660, 240000), (2688, 237500), (2800, 228000), (2850, 224000), (3000, 212800), (3040, 210000), (3125, 204288), (3192, 200000), (3200, 199500), (3325, 192000), (3360, 190000), (3500, 182400), (3584, 178125), (3648, 175000), (3750, 170240), (3800, 168000), (3840, 166250), (3990, 160000), (4000, 159600), (4200, 152000), (4256, 150000), (4375, 145920), (4480, 142500), (4560, 140000), (4750, 134400), (4800, 133000), (4864, 131250), (5000, 127680), (5250, 121600), (5320, 120000), (5376, 118750), (5600, 114000), (5700, 112000), (6000, 106400), (6080, 105000), (6250, 102144), (6384, 100000), (6400, 99750), (6650, 96000), (6720, 95000), (7000, 91200), (7125, 89600), (7296, 87500), (7500, 85120), (7600, 84000), (7680, 83125), (7980, 80000), (8000, 79800), (8400, 76000), (8512, 75000), (8750, 72960), (8960, 71250), (9120, 70000), (9375, 68096), (9500, 67200), (9600, 66500), (9728, 65625), (9975, 64000), (10000, 63840), (10500, 60800), (10640, 60000), (10752, 59375), (11200, 57000), (11400, 56000), (11875, 53760), (12000, 53200), (12160, 52500), (12500, 51072), (12768, 50000), (12800, 49875), (13125, 48640), (13300, 48000), (13440, 47500), (14000, 45600), (14250, 44800), (14592, 43750), (15000, 42560), (15200, 42000), (15960, 40000), (16000, 39900), (16625, 38400), (16800, 38000), (17024, 37500), (17500, 36480), (17920, 35625), (18240, 35000), (18750, 34048), (19000, 33600), (19200, 33250), (19950, 32000), (20000, 31920), (21000, 30400), (21280, 30000), (21875, 29184), (22400, 28500), (22800, 28000), (23750, 26880), (24000, 26600), (24320, 26250), (25000, 25536)]