31200000

素因数分解:

$2^8\times 3^1\times 5^5\times {\mathrm{13}}^1$

素因数の和:57

約数の個数: 216

約数和(自身を含む): 111774096

約数和(自身を除く): 80574096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 256, 260, 300, 312, 320, 325, 375, 384, 390, 400, 416, 480, 500, 520, 600, 624, 625, 640, 650, 750, 768, 780, 800, 832, 960, 975, 1000, 1040, 1200, 1248, 1250, 1280, 1300, 1500, 1560, 1600, 1625, 1664, 1875, 1920, 1950, 2000, 2080, 2400, 2496, 2500, 2600, 3000, 3120, 3125, 3200, 3250, 3328, 3750, 3840, 3900, 4000, 4160, 4800, 4875, 4992, 5000, 5200, 6000, 6240, 6250, 6400, 6500, 7500, 7800, 8000, 8125, 8320, 9375, 9600, 9750, 9984, 10000, 10400, 12000, 12480, 12500, 13000, 15000, 15600, 16000, 16250, 16640, 18750, 19200, 19500, 20000, 20800, 24000, 24375, 24960, 25000, 26000, 30000, 31200, 32000, 32500, 37500, 39000, 40000, 40625, 41600, 48000, 48750, 49920, 50000, 52000, 60000, 62400, 65000, 75000, 78000, 80000, 81250, 83200, 96000, 97500, 100000, 104000, 120000, 121875, 124800, 130000, 150000, 156000, 160000, 162500, 195000, 200000, 208000, 240000, 243750, 249600, 260000, 300000, 312000, 325000, 390000, 400000, 416000, 480000, 487500, 520000, 600000, 624000, 650000, 780000, 800000, 975000, 1040000, 1200000, 1248000, 1300000, 1560000, 1950000, 2080000, 2400000, 2600000, 3120000, 3900000, 5200000, 6240000, 7800000, 10400000, 15600000, 31200000]

約数ペア:

[(1, 31200000), (2, 15600000), (3, 10400000), (4, 7800000), (5, 6240000), (6, 5200000), (8, 3900000), (10, 3120000), (12, 2600000), (13, 2400000), (15, 2080000), (16, 1950000), (20, 1560000), (24, 1300000), (25, 1248000), (26, 1200000), (30, 1040000), (32, 975000), (39, 800000), (40, 780000), (48, 650000), (50, 624000), (52, 600000), (60, 520000), (64, 487500), (65, 480000), (75, 416000), (78, 400000), (80, 390000), (96, 325000), (100, 312000), (104, 300000), (120, 260000), (125, 249600), (128, 243750), (130, 240000), (150, 208000), (156, 200000), (160, 195000), (192, 162500), (195, 160000), (200, 156000), (208, 150000), (240, 130000), (250, 124800), (256, 121875), (260, 120000), (300, 104000), (312, 100000), (320, 97500), (325, 96000), (375, 83200), (384, 81250), (390, 80000), (400, 78000), (416, 75000), (480, 65000), (500, 62400), (520, 60000), (600, 52000), (624, 50000), (625, 49920), (640, 48750), (650, 48000), (750, 41600), (768, 40625), (780, 40000), (800, 39000), (832, 37500), (960, 32500), (975, 32000), (1000, 31200), (1040, 30000), (1200, 26000), (1248, 25000), (1250, 24960), (1280, 24375), (1300, 24000), (1500, 20800), (1560, 20000), (1600, 19500), (1625, 19200), (1664, 18750), (1875, 16640), (1920, 16250), (1950, 16000), (2000, 15600), (2080, 15000), (2400, 13000), (2496, 12500), (2500, 12480), (2600, 12000), (3000, 10400), (3120, 10000), (3125, 9984), (3200, 9750), (3250, 9600), (3328, 9375), (3750, 8320), (3840, 8125), (3900, 8000), (4000, 7800), (4160, 7500), (4800, 6500), (4875, 6400), (4992, 6250), (5000, 6240), (5200, 6000)]