405120000

素因数分解:

$2^{10}\times 3^1\times 5^4\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 220

約数和(自身を含む): 1355703536

約数和(自身を除く): 950583536

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, 211, 240, 250, 256, 300, 320, 375, 384, 400, 422, 480, 500, 512, 600, 625, 633, 640, 750, 768, 800, 844, 960, 1000, 1024, 1055, 1200, 1250, 1266, 1280, 1500, 1536, 1600, 1688, 1875, 1920, 2000, 2110, 2400, 2500, 2532, 2560, 3000, 3072, 3165, 3200, 3376, 3750, 3840, 4000, 4220, 4800, 5000, 5064, 5120, 5275, 6000, 6330, 6400, 6752, 7500, 7680, 8000, 8440, 9600, 10000, 10128, 10550, 12000, 12660, 12800, 13504, 15000, 15360, 15825, 16000, 16880, 19200, 20000, 20256, 21100, 24000, 25320, 25600, 26375, 27008, 30000, 31650, 32000, 33760, 38400, 40000, 40512, 42200, 48000, 50640, 52750, 54016, 60000, 63300, 64000, 67520, 76800, 79125, 80000, 81024, 84400, 96000, 101280, 105500, 108032, 120000, 126600, 128000, 131875, 135040, 158250, 160000, 162048, 168800, 192000, 202560, 211000, 216064, 240000, 253200, 263750, 270080, 316500, 320000, 324096, 337600, 384000, 395625, 405120, 422000, 480000, 506400, 527500, 540160, 633000, 640000, 648192, 675200, 791250, 810240, 844000, 960000, 1012800, 1055000, 1080320, 1266000, 1350400, 1582500, 1620480, 1688000, 1920000, 2025600, 2110000, 2532000, 2700800, 3165000, 3240960, 3376000, 4051200, 4220000, 5064000, 5401600, 6330000, 6752000, 8102400, 8440000, 10128000, 12660000, 13504000, 16204800, 16880000, 20256000, 25320000, 27008000, 33760000, 40512000, 50640000, 67520000, 81024000, 101280000, 135040000, 202560000, 405120000]

約数ペア:

[(1, 405120000), (2, 202560000), (3, 135040000), (4, 101280000), (5, 81024000), (6, 67520000), (8, 50640000), (10, 40512000), (12, 33760000), (15, 27008000), (16, 25320000), (20, 20256000), (24, 16880000), (25, 16204800), (30, 13504000), (32, 12660000), (40, 10128000), (48, 8440000), (50, 8102400), (60, 6752000), (64, 6330000), (75, 5401600), (80, 5064000), (96, 4220000), (100, 4051200), (120, 3376000), (125, 3240960), (128, 3165000), (150, 2700800), (160, 2532000), (192, 2110000), (200, 2025600), (211, 1920000), (240, 1688000), (250, 1620480), (256, 1582500), (300, 1350400), (320, 1266000), (375, 1080320), (384, 1055000), (400, 1012800), (422, 960000), (480, 844000), (500, 810240), (512, 791250), (600, 675200), (625, 648192), (633, 640000), (640, 633000), (750, 540160), (768, 527500), (800, 506400), (844, 480000), (960, 422000), (1000, 405120), (1024, 395625), (1055, 384000), (1200, 337600), (1250, 324096), (1266, 320000), (1280, 316500), (1500, 270080), (1536, 263750), (1600, 253200), (1688, 240000), (1875, 216064), (1920, 211000), (2000, 202560), (2110, 192000), (2400, 168800), (2500, 162048), (2532, 160000), (2560, 158250), (3000, 135040), (3072, 131875), (3165, 128000), (3200, 126600), (3376, 120000), (3750, 108032), (3840, 105500), (4000, 101280), (4220, 96000), (4800, 84400), (5000, 81024), (5064, 80000), (5120, 79125), (5275, 76800), (6000, 67520), (6330, 64000), (6400, 63300), (6752, 60000), (7500, 54016), (7680, 52750), (8000, 50640), (8440, 48000), (9600, 42200), (10000, 40512), (10128, 40000), (10550, 38400), (12000, 33760), (12660, 32000), (12800, 31650), (13504, 30000), (15000, 27008), (15360, 26375), (15825, 25600), (16000, 25320), (16880, 24000), (19200, 21100), (20000, 20256)]