81408000

素因数分解:

$2^{12}\times 3^1\times 5^3\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 208

約数和(自身を含む): 276003936

約数和(自身を除く): 194595936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 53, 60, 64, 75, 80, 96, 100, 106, 120, 125, 128, 150, 159, 160, 192, 200, 212, 240, 250, 256, 265, 300, 318, 320, 375, 384, 400, 424, 480, 500, 512, 530, 600, 636, 640, 750, 768, 795, 800, 848, 960, 1000, 1024, 1060, 1200, 1272, 1280, 1325, 1500, 1536, 1590, 1600, 1696, 1920, 2000, 2048, 2120, 2400, 2544, 2560, 2650, 3000, 3072, 3180, 3200, 3392, 3840, 3975, 4000, 4096, 4240, 4800, 5088, 5120, 5300, 6000, 6144, 6360, 6400, 6625, 6784, 7680, 7950, 8000, 8480, 9600, 10176, 10240, 10600, 12000, 12288, 12720, 12800, 13250, 13568, 15360, 15900, 16000, 16960, 19200, 19875, 20352, 20480, 21200, 24000, 25440, 25600, 26500, 27136, 30720, 31800, 32000, 33920, 38400, 39750, 40704, 42400, 48000, 50880, 51200, 53000, 54272, 61440, 63600, 64000, 67840, 76800, 79500, 81408, 84800, 96000, 101760, 102400, 106000, 108544, 127200, 128000, 135680, 153600, 159000, 162816, 169600, 192000, 203520, 212000, 217088, 254400, 256000, 271360, 307200, 318000, 325632, 339200, 384000, 407040, 424000, 508800, 512000, 542720, 636000, 651264, 678400, 768000, 814080, 848000, 1017600, 1085440, 1272000, 1356800, 1536000, 1628160, 1696000, 2035200, 2544000, 2713600, 3256320, 3392000, 4070400, 5088000, 5427200, 6784000, 8140800, 10176000, 13568000, 16281600, 20352000, 27136000, 40704000, 81408000]

約数ペア:

[(1, 81408000), (2, 40704000), (3, 27136000), (4, 20352000), (5, 16281600), (6, 13568000), (8, 10176000), (10, 8140800), (12, 6784000), (15, 5427200), (16, 5088000), (20, 4070400), (24, 3392000), (25, 3256320), (30, 2713600), (32, 2544000), (40, 2035200), (48, 1696000), (50, 1628160), (53, 1536000), (60, 1356800), (64, 1272000), (75, 1085440), (80, 1017600), (96, 848000), (100, 814080), (106, 768000), (120, 678400), (125, 651264), (128, 636000), (150, 542720), (159, 512000), (160, 508800), (192, 424000), (200, 407040), (212, 384000), (240, 339200), (250, 325632), (256, 318000), (265, 307200), (300, 271360), (318, 256000), (320, 254400), (375, 217088), (384, 212000), (400, 203520), (424, 192000), (480, 169600), (500, 162816), (512, 159000), (530, 153600), (600, 135680), (636, 128000), (640, 127200), (750, 108544), (768, 106000), (795, 102400), (800, 101760), (848, 96000), (960, 84800), (1000, 81408), (1024, 79500), (1060, 76800), (1200, 67840), (1272, 64000), (1280, 63600), (1325, 61440), (1500, 54272), (1536, 53000), (1590, 51200), (1600, 50880), (1696, 48000), (1920, 42400), (2000, 40704), (2048, 39750), (2120, 38400), (2400, 33920), (2544, 32000), (2560, 31800), (2650, 30720), (3000, 27136), (3072, 26500), (3180, 25600), (3200, 25440), (3392, 24000), (3840, 21200), (3975, 20480), (4000, 20352), (4096, 19875), (4240, 19200), (4800, 16960), (5088, 16000), (5120, 15900), (5300, 15360), (6000, 13568), (6144, 13250), (6360, 12800), (6400, 12720), (6625, 12288), (6784, 12000), (7680, 10600), (7950, 10240), (8000, 10176), (8480, 9600)]