18720280800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{200003}}^1$

素因数の和:200042

約数の個数: 216

約数和(自身を含む): 71090621784

約数和(自身を除く): 52370340984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 195, 200, 208, 225, 234, 240, 260, 288, 300, 312, 325, 360, 390, 400, 416, 450, 468, 480, 520, 585, 600, 624, 650, 720, 780, 800, 900, 936, 975, 1040, 1170, 1200, 1248, 1300, 1440, 1560, 1800, 1872, 1950, 2080, 2340, 2400, 2600, 2925, 3120, 3600, 3744, 3900, 4680, 5200, 5850, 6240, 7200, 7800, 9360, 10400, 11700, 15600, 18720, 23400, 31200, 46800, 93600, 200003, 400006, 600009, 800012, 1000015, 1200018, 1600024, 1800027, 2000030, 2400036, 2600039, 3000045, 3200048, 3600054, 4000060, 4800072, 5000075, 5200078, 6000090, 6400096, 7200108, 7800117, 8000120, 9000135, 9600144, 10000150, 10400156, 12000180, 13000195, 14400216, 15000225, 15600234, 16000240, 18000270, 19200288, 20000300, 20800312, 23400351, 24000360, 26000390, 28800432, 30000450, 31200468, 32000480, 36000540, 39000585, 40000600, 41600624, 45000675, 46800702, 48000720, 52000780, 57600864, 60000900, 62400936, 65000975, 72001080, 78001170, 80001200, 83201248, 90001350, 93601404, 96001440, 104001560, 117001755, 120001800, 124801872, 130001950, 144002160, 156002340, 160002400, 180002700, 187202808, 195002925, 208003120, 234003510, 240003600, 249603744, 260003900, 288004320, 312004680, 360005400, 374405616, 390005850, 416006240, 468007020, 480007200, 520007800, 585008775, 624009360, 720010800, 748811232, 780011700, 936014040, 1040015600, 1170017550, 1248018720, 1440021600, 1560023400, 1872028080, 2080031200, 2340035100, 3120046800, 3744056160, 4680070200, 6240093600, 9360140400, 18720280800]

約数ペア:

[(1, 18720280800), (2, 9360140400), (3, 6240093600), (4, 4680070200), (5, 3744056160), (6, 3120046800), (8, 2340035100), (9, 2080031200), (10, 1872028080), (12, 1560023400), (13, 1440021600), (15, 1248018720), (16, 1170017550), (18, 1040015600), (20, 936014040), (24, 780011700), (25, 748811232), (26, 720010800), (30, 624009360), (32, 585008775), (36, 520007800), (39, 480007200), (40, 468007020), (45, 416006240), (48, 390005850), (50, 374405616), (52, 360005400), (60, 312004680), (65, 288004320), (72, 260003900), (75, 249603744), (78, 240003600), (80, 234003510), (90, 208003120), (96, 195002925), (100, 187202808), (104, 180002700), (117, 160002400), (120, 156002340), (130, 144002160), (144, 130001950), (150, 124801872), (156, 120001800), (160, 117001755), (180, 104001560), (195, 96001440), (200, 93601404), (208, 90001350), (225, 83201248), (234, 80001200), (240, 78001170), (260, 72001080), (288, 65000975), (300, 62400936), (312, 60000900), (325, 57600864), (360, 52000780), (390, 48000720), (400, 46800702), (416, 45000675), (450, 41600624), (468, 40000600), (480, 39000585), (520, 36000540), (585, 32000480), (600, 31200468), (624, 30000450), (650, 28800432), (720, 26000390), (780, 24000360), (800, 23400351), (900, 20800312), (936, 20000300), (975, 19200288), (1040, 18000270), (1170, 16000240), (1200, 15600234), (1248, 15000225), (1300, 14400216), (1440, 13000195), (1560, 12000180), (1800, 10400156), (1872, 10000150), (1950, 9600144), (2080, 9000135), (2340, 8000120), (2400, 7800117), (2600, 7200108), (2925, 6400096), (3120, 6000090), (3600, 5200078), (3744, 5000075), (3900, 4800072), (4680, 4000060), (5200, 3600054), (5850, 3200048), (6240, 3000045), (7200, 2600039), (7800, 2400036), (9360, 2000030), (10400, 1800027), (11700, 1600024), (15600, 1200018), (18720, 1000015), (23400, 800012), (31200, 600009), (46800, 400006), (93600, 200003)]