1311360000

素因数分解:

$2^{10}\times 3^1\times 5^4\times {\mathrm{683}}^1$

素因数の和:726

約数の個数: 220

約数和(自身を含む): 4374062352

約数和(自身を除く): 3062702352

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, 320, 375, 384, 400, 480, 500, 512, 600, 625, 640, 683, 750, 768, 800, 960, 1000, 1024, 1200, 1250, 1280, 1366, 1500, 1536, 1600, 1875, 1920, 2000, 2049, 2400, 2500, 2560, 2732, 3000, 3072, 3200, 3415, 3750, 3840, 4000, 4098, 4800, 5000, 5120, 5464, 6000, 6400, 6830, 7500, 7680, 8000, 8196, 9600, 10000, 10245, 10928, 12000, 12800, 13660, 15000, 15360, 16000, 16392, 17075, 19200, 20000, 20490, 21856, 24000, 25600, 27320, 30000, 32000, 32784, 34150, 38400, 40000, 40980, 43712, 48000, 51225, 54640, 60000, 64000, 65568, 68300, 76800, 80000, 81960, 85375, 87424, 96000, 102450, 109280, 120000, 128000, 131136, 136600, 160000, 163920, 170750, 174848, 192000, 204900, 218560, 240000, 256125, 262272, 273200, 320000, 327840, 341500, 349696, 384000, 409800, 426875, 437120, 480000, 512250, 524544, 546400, 640000, 655680, 683000, 699392, 819600, 853750, 874240, 960000, 1024500, 1049088, 1092800, 1280625, 1311360, 1366000, 1639200, 1707500, 1748480, 1920000, 2049000, 2098176, 2185600, 2561250, 2622720, 2732000, 3278400, 3415000, 3496960, 4098000, 4371200, 5122500, 5245440, 5464000, 6556800, 6830000, 8196000, 8742400, 10245000, 10490880, 10928000, 13113600, 13660000, 16392000, 17484800, 20490000, 21856000, 26227200, 27320000, 32784000, 40980000, 43712000, 52454400, 54640000, 65568000, 81960000, 87424000, 109280000, 131136000, 163920000, 218560000, 262272000, 327840000, 437120000, 655680000, 1311360000]

約数ペア:

[(1, 1311360000), (2, 655680000), (3, 437120000), (4, 327840000), (5, 262272000), (6, 218560000), (8, 163920000), (10, 131136000), (12, 109280000), (15, 87424000), (16, 81960000), (20, 65568000), (24, 54640000), (25, 52454400), (30, 43712000), (32, 40980000), (40, 32784000), (48, 27320000), (50, 26227200), (60, 21856000), (64, 20490000), (75, 17484800), (80, 16392000), (96, 13660000), (100, 13113600), (120, 10928000), (125, 10490880), (128, 10245000), (150, 8742400), (160, 8196000), (192, 6830000), (200, 6556800), (240, 5464000), (250, 5245440), (256, 5122500), (300, 4371200), (320, 4098000), (375, 3496960), (384, 3415000), (400, 3278400), (480, 2732000), (500, 2622720), (512, 2561250), (600, 2185600), (625, 2098176), (640, 2049000), (683, 1920000), (750, 1748480), (768, 1707500), (800, 1639200), (960, 1366000), (1000, 1311360), (1024, 1280625), (1200, 1092800), (1250, 1049088), (1280, 1024500), (1366, 960000), (1500, 874240), (1536, 853750), (1600, 819600), (1875, 699392), (1920, 683000), (2000, 655680), (2049, 640000), (2400, 546400), (2500, 524544), (2560, 512250), (2732, 480000), (3000, 437120), (3072, 426875), (3200, 409800), (3415, 384000), (3750, 349696), (3840, 341500), (4000, 327840), (4098, 320000), (4800, 273200), (5000, 262272), (5120, 256125), (5464, 240000), (6000, 218560), (6400, 204900), (6830, 192000), (7500, 174848), (7680, 170750), (8000, 163920), (8196, 160000), (9600, 136600), (10000, 131136), (10245, 128000), (10928, 120000), (12000, 109280), (12800, 102450), (13660, 96000), (15000, 87424), (15360, 85375), (16000, 81960), (16392, 80000), (17075, 76800), (19200, 68300), (20000, 65568), (20490, 64000), (21856, 60000), (24000, 54640), (25600, 51225), (27320, 48000), (30000, 43712), (32000, 40980), (32784, 40000), (34150, 38400)]