18240000

素因数分解:

$2^9\times 3^1\times 5^4\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 200

約数和(自身を含む): 63917040

約数和(自身を除く): 45677040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 95, 96, 100, 114, 120, 125, 128, 150, 152, 160, 190, 192, 200, 228, 240, 250, 256, 285, 300, 304, 320, 375, 380, 384, 400, 456, 475, 480, 500, 512, 570, 600, 608, 625, 640, 750, 760, 768, 800, 912, 950, 960, 1000, 1140, 1200, 1216, 1250, 1280, 1425, 1500, 1520, 1536, 1600, 1824, 1875, 1900, 1920, 2000, 2280, 2375, 2400, 2432, 2500, 2560, 2850, 3000, 3040, 3200, 3648, 3750, 3800, 3840, 4000, 4560, 4750, 4800, 4864, 5000, 5700, 6000, 6080, 6400, 7125, 7296, 7500, 7600, 7680, 8000, 9120, 9500, 9600, 9728, 10000, 11400, 11875, 12000, 12160, 12800, 14250, 14592, 15000, 15200, 16000, 18240, 19000, 19200, 20000, 22800, 23750, 24000, 24320, 28500, 29184, 30000, 30400, 32000, 35625, 36480, 38000, 38400, 40000, 45600, 47500, 48000, 48640, 57000, 60000, 60800, 64000, 71250, 72960, 76000, 80000, 91200, 95000, 96000, 114000, 120000, 121600, 142500, 145920, 152000, 160000, 182400, 190000, 192000, 228000, 240000, 243200, 285000, 304000, 320000, 364800, 380000, 456000, 480000, 570000, 608000, 729600, 760000, 912000, 960000, 1140000, 1216000, 1520000, 1824000, 2280000, 3040000, 3648000, 4560000, 6080000, 9120000, 18240000]

約数ペア:

[(1, 18240000), (2, 9120000), (3, 6080000), (4, 4560000), (5, 3648000), (6, 3040000), (8, 2280000), (10, 1824000), (12, 1520000), (15, 1216000), (16, 1140000), (19, 960000), (20, 912000), (24, 760000), (25, 729600), (30, 608000), (32, 570000), (38, 480000), (40, 456000), (48, 380000), (50, 364800), (57, 320000), (60, 304000), (64, 285000), (75, 243200), (76, 240000), (80, 228000), (95, 192000), (96, 190000), (100, 182400), (114, 160000), (120, 152000), (125, 145920), (128, 142500), (150, 121600), (152, 120000), (160, 114000), (190, 96000), (192, 95000), (200, 91200), (228, 80000), (240, 76000), (250, 72960), (256, 71250), (285, 64000), (300, 60800), (304, 60000), (320, 57000), (375, 48640), (380, 48000), (384, 47500), (400, 45600), (456, 40000), (475, 38400), (480, 38000), (500, 36480), (512, 35625), (570, 32000), (600, 30400), (608, 30000), (625, 29184), (640, 28500), (750, 24320), (760, 24000), (768, 23750), (800, 22800), (912, 20000), (950, 19200), (960, 19000), (1000, 18240), (1140, 16000), (1200, 15200), (1216, 15000), (1250, 14592), (1280, 14250), (1425, 12800), (1500, 12160), (1520, 12000), (1536, 11875), (1600, 11400), (1824, 10000), (1875, 9728), (1900, 9600), (1920, 9500), (2000, 9120), (2280, 8000), (2375, 7680), (2400, 7600), (2432, 7500), (2500, 7296), (2560, 7125), (2850, 6400), (3000, 6080), (3040, 6000), (3200, 5700), (3648, 5000), (3750, 4864), (3800, 4800), (3840, 4750), (4000, 4560)]