78000000

素因数分解:

$2^7\times 3^1\times 5^6\times {\mathrm{13}}^1$

素因数の和:60

約数の個数: 224

約数和(自身を含む): 278902680

約数和(自身を除く): 200902680

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, 260, 300, 312, 320, 325, 375, 384, 390, 400, 416, 480, 500, 520, 600, 624, 625, 640, 650, 750, 780, 800, 832, 960, 975, 1000, 1040, 1200, 1248, 1250, 1300, 1500, 1560, 1600, 1625, 1664, 1875, 1920, 1950, 2000, 2080, 2400, 2496, 2500, 2600, 3000, 3120, 3125, 3200, 3250, 3750, 3900, 4000, 4160, 4800, 4875, 4992, 5000, 5200, 6000, 6240, 6250, 6500, 7500, 7800, 8000, 8125, 8320, 9375, 9600, 9750, 10000, 10400, 12000, 12480, 12500, 13000, 15000, 15600, 15625, 16000, 16250, 18750, 19500, 20000, 20800, 24000, 24375, 24960, 25000, 26000, 30000, 31200, 31250, 32500, 37500, 39000, 40000, 40625, 41600, 46875, 48000, 48750, 50000, 52000, 60000, 62400, 62500, 65000, 75000, 78000, 80000, 81250, 93750, 97500, 100000, 104000, 120000, 121875, 124800, 125000, 130000, 150000, 156000, 162500, 187500, 195000, 200000, 203125, 208000, 240000, 243750, 250000, 260000, 300000, 312000, 325000, 375000, 390000, 400000, 406250, 487500, 500000, 520000, 600000, 609375, 624000, 650000, 750000, 780000, 812500, 975000, 1000000, 1040000, 1200000, 1218750, 1300000, 1500000, 1560000, 1625000, 1950000, 2000000, 2437500, 2600000, 3000000, 3120000, 3250000, 3900000, 4875000, 5200000, 6000000, 6500000, 7800000, 9750000, 13000000, 15600000, 19500000, 26000000, 39000000, 78000000]

約数ペア:

[(1, 78000000), (2, 39000000), (3, 26000000), (4, 19500000), (5, 15600000), (6, 13000000), (8, 9750000), (10, 7800000), (12, 6500000), (13, 6000000), (15, 5200000), (16, 4875000), (20, 3900000), (24, 3250000), (25, 3120000), (26, 3000000), (30, 2600000), (32, 2437500), (39, 2000000), (40, 1950000), (48, 1625000), (50, 1560000), (52, 1500000), (60, 1300000), (64, 1218750), (65, 1200000), (75, 1040000), (78, 1000000), (80, 975000), (96, 812500), (100, 780000), (104, 750000), (120, 650000), (125, 624000), (128, 609375), (130, 600000), (150, 520000), (156, 500000), (160, 487500), (192, 406250), (195, 400000), (200, 390000), (208, 375000), (240, 325000), (250, 312000), (260, 300000), (300, 260000), (312, 250000), (320, 243750), (325, 240000), (375, 208000), (384, 203125), (390, 200000), (400, 195000), (416, 187500), (480, 162500), (500, 156000), (520, 150000), (600, 130000), (624, 125000), (625, 124800), (640, 121875), (650, 120000), (750, 104000), (780, 100000), (800, 97500), (832, 93750), (960, 81250), (975, 80000), (1000, 78000), (1040, 75000), (1200, 65000), (1248, 62500), (1250, 62400), (1300, 60000), (1500, 52000), (1560, 50000), (1600, 48750), (1625, 48000), (1664, 46875), (1875, 41600), (1920, 40625), (1950, 40000), (2000, 39000), (2080, 37500), (2400, 32500), (2496, 31250), (2500, 31200), (2600, 30000), (3000, 26000), (3120, 25000), (3125, 24960), (3200, 24375), (3250, 24000), (3750, 20800), (3900, 20000), (4000, 19500), (4160, 18750), (4800, 16250), (4875, 16000), (4992, 15625), (5000, 15600), (5200, 15000), (6000, 13000), (6240, 12500), (6250, 12480), (6500, 12000), (7500, 10400), (7800, 10000), (8000, 9750), (8125, 9600), (8320, 9375)]