1217280000

素因数分解:

$2^{11}\times 3^1\times 5^4\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 240

約数和(自身を含む): 4068104040

約数和(自身を除く): 2850824040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 256, 300, 317, 320, 375, 384, 400, 480, 500, 512, 600, 625, 634, 640, 750, 768, 800, 951, 960, 1000, 1024, 1200, 1250, 1268, 1280, 1500, 1536, 1585, 1600, 1875, 1902, 1920, 2000, 2048, 2400, 2500, 2536, 2560, 3000, 3072, 3170, 3200, 3750, 3804, 3840, 4000, 4755, 4800, 5000, 5072, 5120, 6000, 6144, 6340, 6400, 7500, 7608, 7680, 7925, 8000, 9510, 9600, 10000, 10144, 10240, 12000, 12680, 12800, 15000, 15216, 15360, 15850, 16000, 19020, 19200, 20000, 20288, 23775, 24000, 25360, 25600, 30000, 30432, 30720, 31700, 32000, 38040, 38400, 39625, 40000, 40576, 47550, 48000, 50720, 51200, 60000, 60864, 63400, 64000, 76080, 76800, 79250, 80000, 81152, 95100, 96000, 101440, 118875, 120000, 121728, 126800, 128000, 152160, 153600, 158500, 160000, 162304, 190200, 192000, 198125, 202880, 237750, 240000, 243456, 253600, 256000, 304320, 317000, 320000, 324608, 380400, 384000, 396250, 405760, 475500, 480000, 486912, 507200, 594375, 608640, 634000, 640000, 649216, 760800, 768000, 792500, 811520, 951000, 960000, 973824, 1014400, 1188750, 1217280, 1268000, 1280000, 1521600, 1585000, 1623040, 1902000, 1920000, 1947648, 2028800, 2377500, 2434560, 2536000, 3043200, 3170000, 3246080, 3804000, 3840000, 4057600, 4755000, 4869120, 5072000, 6086400, 6340000, 7608000, 8115200, 9510000, 9738240, 10144000, 12172800, 12680000, 15216000, 16230400, 19020000, 20288000, 24345600, 25360000, 30432000, 38040000, 40576000, 48691200, 50720000, 60864000, 76080000, 81152000, 101440000, 121728000, 152160000, 202880000, 243456000, 304320000, 405760000, 608640000, 1217280000]

約数ペア:

[(1, 1217280000), (2, 608640000), (3, 405760000), (4, 304320000), (5, 243456000), (6, 202880000), (8, 152160000), (10, 121728000), (12, 101440000), (15, 81152000), (16, 76080000), (20, 60864000), (24, 50720000), (25, 48691200), (30, 40576000), (32, 38040000), (40, 30432000), (48, 25360000), (50, 24345600), (60, 20288000), (64, 19020000), (75, 16230400), (80, 15216000), (96, 12680000), (100, 12172800), (120, 10144000), (125, 9738240), (128, 9510000), (150, 8115200), (160, 7608000), (192, 6340000), (200, 6086400), (240, 5072000), (250, 4869120), (256, 4755000), (300, 4057600), (317, 3840000), (320, 3804000), (375, 3246080), (384, 3170000), (400, 3043200), (480, 2536000), (500, 2434560), (512, 2377500), (600, 2028800), (625, 1947648), (634, 1920000), (640, 1902000), (750, 1623040), (768, 1585000), (800, 1521600), (951, 1280000), (960, 1268000), (1000, 1217280), (1024, 1188750), (1200, 1014400), (1250, 973824), (1268, 960000), (1280, 951000), (1500, 811520), (1536, 792500), (1585, 768000), (1600, 760800), (1875, 649216), (1902, 640000), (1920, 634000), (2000, 608640), (2048, 594375), (2400, 507200), (2500, 486912), (2536, 480000), (2560, 475500), (3000, 405760), (3072, 396250), (3170, 384000), (3200, 380400), (3750, 324608), (3804, 320000), (3840, 317000), (4000, 304320), (4755, 256000), (4800, 253600), (5000, 243456), (5072, 240000), (5120, 237750), (6000, 202880), (6144, 198125), (6340, 192000), (6400, 190200), (7500, 162304), (7608, 160000), (7680, 158500), (7925, 153600), (8000, 152160), (9510, 128000), (9600, 126800), (10000, 121728), (10144, 120000), (10240, 118875), (12000, 101440), (12680, 96000), (12800, 95100), (15000, 81152), (15216, 80000), (15360, 79250), (15850, 76800), (16000, 76080), (19020, 64000), (19200, 63400), (20000, 60864), (20288, 60000), (23775, 51200), (24000, 50720), (25360, 48000), (25600, 47550), (30000, 40576), (30432, 40000), (30720, 39625), (31700, 38400), (32000, 38040)]