68400000

素因数分解:

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

素因数の和:64

約数の個数: 288

約数和(自身を含む): 258967800

約数和(自身を除く): 190567800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 64, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 125, 128, 144, 150, 152, 160, 171, 180, 190, 192, 200, 225, 228, 240, 250, 285, 288, 300, 304, 320, 342, 360, 375, 380, 384, 400, 450, 456, 475, 480, 500, 570, 576, 600, 608, 625, 640, 684, 720, 750, 760, 800, 855, 900, 912, 950, 960, 1000, 1125, 1140, 1152, 1200, 1216, 1250, 1368, 1425, 1440, 1500, 1520, 1600, 1710, 1800, 1824, 1875, 1900, 1920, 2000, 2250, 2280, 2375, 2400, 2432, 2500, 2736, 2850, 2880, 3000, 3040, 3125, 3200, 3420, 3600, 3648, 3750, 3800, 4000, 4275, 4500, 4560, 4750, 4800, 5000, 5472, 5625, 5700, 5760, 6000, 6080, 6250, 6840, 7125, 7200, 7296, 7500, 7600, 8000, 8550, 9000, 9120, 9375, 9500, 9600, 10000, 10944, 11250, 11400, 11875, 12000, 12160, 12500, 13680, 14250, 14400, 15000, 15200, 16000, 17100, 18000, 18240, 18750, 19000, 20000, 21375, 21888, 22500, 22800, 23750, 24000, 25000, 27360, 28125, 28500, 28800, 30000, 30400, 34200, 35625, 36000, 36480, 37500, 38000, 40000, 42750, 45000, 45600, 47500, 48000, 50000, 54720, 56250, 57000, 59375, 60000, 60800, 68400, 71250, 72000, 75000, 76000, 80000, 85500, 90000, 91200, 95000, 100000, 106875, 109440, 112500, 114000, 118750, 120000, 136800, 142500, 144000, 150000, 152000, 171000, 178125, 180000, 182400, 190000, 200000, 213750, 225000, 228000, 237500, 240000, 273600, 285000, 300000, 304000, 342000, 356250, 360000, 380000, 400000, 427500, 450000, 456000, 475000, 534375, 547200, 570000, 600000, 684000, 712500, 720000, 760000, 855000, 900000, 912000, 950000, 1068750, 1140000, 1200000, 1368000, 1425000, 1520000, 1710000, 1800000, 1900000, 2137500, 2280000, 2736000, 2850000, 3420000, 3600000, 3800000, 4275000, 4560000, 5700000, 6840000, 7600000, 8550000, 11400000, 13680000, 17100000, 22800000, 34200000, 68400000]

約数ペア:

[(1, 68400000), (2, 34200000), (3, 22800000), (4, 17100000), (5, 13680000), (6, 11400000), (8, 8550000), (9, 7600000), (10, 6840000), (12, 5700000), (15, 4560000), (16, 4275000), (18, 3800000), (19, 3600000), (20, 3420000), (24, 2850000), (25, 2736000), (30, 2280000), (32, 2137500), (36, 1900000), (38, 1800000), (40, 1710000), (45, 1520000), (48, 1425000), (50, 1368000), (57, 1200000), (60, 1140000), (64, 1068750), (72, 950000), (75, 912000), (76, 900000), (80, 855000), (90, 760000), (95, 720000), (96, 712500), (100, 684000), (114, 600000), (120, 570000), (125, 547200), (128, 534375), (144, 475000), (150, 456000), (152, 450000), (160, 427500), (171, 400000), (180, 380000), (190, 360000), (192, 356250), (200, 342000), (225, 304000), (228, 300000), (240, 285000), (250, 273600), (285, 240000), (288, 237500), (300, 228000), (304, 225000), (320, 213750), (342, 200000), (360, 190000), (375, 182400), (380, 180000), (384, 178125), (400, 171000), (450, 152000), (456, 150000), (475, 144000), (480, 142500), (500, 136800), (570, 120000), (576, 118750), (600, 114000), (608, 112500), (625, 109440), (640, 106875), (684, 100000), (720, 95000), (750, 91200), (760, 90000), (800, 85500), (855, 80000), (900, 76000), (912, 75000), (950, 72000), (960, 71250), (1000, 68400), (1125, 60800), (1140, 60000), (1152, 59375), (1200, 57000), (1216, 56250), (1250, 54720), (1368, 50000), (1425, 48000), (1440, 47500), (1500, 45600), (1520, 45000), (1600, 42750), (1710, 40000), (1800, 38000), (1824, 37500), (1875, 36480), (1900, 36000), (1920, 35625), (2000, 34200), (2250, 30400), (2280, 30000), (2375, 28800), (2400, 28500), (2432, 28125), (2500, 27360), (2736, 25000), (2850, 24000), (2880, 23750), (3000, 22800), (3040, 22500), (3125, 21888), (3200, 21375), (3420, 20000), (3600, 19000), (3648, 18750), (3750, 18240), (3800, 18000), (4000, 17100), (4275, 16000), (4500, 15200), (4560, 15000), (4750, 14400), (4800, 14250), (5000, 13680), (5472, 12500), (5625, 12160), (5700, 12000), (5760, 11875), (6000, 11400), (6080, 11250), (6250, 10944), (6840, 10000), (7125, 9600), (7200, 9500), (7296, 9375), (7500, 9120), (7600, 9000), (8000, 8550)]