1809920000

素因数分解:

$2^{12}\times 5^4\times 7^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 260

約数和(自身を含む): 5220091536

約数和(自身を除く): 3410171536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 101, 112, 125, 128, 140, 160, 175, 200, 202, 224, 250, 256, 280, 320, 350, 400, 404, 448, 500, 505, 512, 560, 625, 640, 700, 707, 800, 808, 875, 896, 1000, 1010, 1024, 1120, 1250, 1280, 1400, 1414, 1600, 1616, 1750, 1792, 2000, 2020, 2048, 2240, 2500, 2525, 2560, 2800, 2828, 3200, 3232, 3500, 3535, 3584, 4000, 4040, 4096, 4375, 4480, 5000, 5050, 5120, 5600, 5656, 6400, 6464, 7000, 7070, 7168, 8000, 8080, 8750, 8960, 10000, 10100, 10240, 11200, 11312, 12625, 12800, 12928, 14000, 14140, 14336, 16000, 16160, 17500, 17675, 17920, 20000, 20200, 20480, 22400, 22624, 25250, 25600, 25856, 28000, 28280, 28672, 32000, 32320, 35000, 35350, 35840, 40000, 40400, 44800, 45248, 50500, 51200, 51712, 56000, 56560, 63125, 64000, 64640, 70000, 70700, 71680, 80000, 80800, 88375, 89600, 90496, 101000, 102400, 103424, 112000, 113120, 126250, 128000, 129280, 140000, 141400, 143360, 160000, 161600, 176750, 179200, 180992, 202000, 206848, 224000, 226240, 252500, 256000, 258560, 280000, 282800, 320000, 323200, 353500, 358400, 361984, 404000, 413696, 441875, 448000, 452480, 505000, 512000, 517120, 560000, 565600, 640000, 646400, 707000, 716800, 723968, 808000, 883750, 896000, 904960, 1010000, 1034240, 1120000, 1131200, 1280000, 1292800, 1414000, 1447936, 1616000, 1767500, 1792000, 1809920, 2020000, 2068480, 2240000, 2262400, 2560000, 2585600, 2828000, 2895872, 3232000, 3535000, 3584000, 3619840, 4040000, 4480000, 4524800, 5171200, 5656000, 6464000, 7070000, 7239680, 8080000, 8960000, 9049600, 10342400, 11312000, 12928000, 14140000, 14479360, 16160000, 17920000, 18099200, 22624000, 25856000, 28280000, 32320000, 36198400, 45248000, 51712000, 56560000, 64640000, 72396800, 90496000, 113120000, 129280000, 180992000, 226240000, 258560000, 361984000, 452480000, 904960000, 1809920000]

約数ペア:

[(1, 1809920000), (2, 904960000), (4, 452480000), (5, 361984000), (7, 258560000), (8, 226240000), (10, 180992000), (14, 129280000), (16, 113120000), (20, 90496000), (25, 72396800), (28, 64640000), (32, 56560000), (35, 51712000), (40, 45248000), (50, 36198400), (56, 32320000), (64, 28280000), (70, 25856000), (80, 22624000), (100, 18099200), (101, 17920000), (112, 16160000), (125, 14479360), (128, 14140000), (140, 12928000), (160, 11312000), (175, 10342400), (200, 9049600), (202, 8960000), (224, 8080000), (250, 7239680), (256, 7070000), (280, 6464000), (320, 5656000), (350, 5171200), (400, 4524800), (404, 4480000), (448, 4040000), (500, 3619840), (505, 3584000), (512, 3535000), (560, 3232000), (625, 2895872), (640, 2828000), (700, 2585600), (707, 2560000), (800, 2262400), (808, 2240000), (875, 2068480), (896, 2020000), (1000, 1809920), (1010, 1792000), (1024, 1767500), (1120, 1616000), (1250, 1447936), (1280, 1414000), (1400, 1292800), (1414, 1280000), (1600, 1131200), (1616, 1120000), (1750, 1034240), (1792, 1010000), (2000, 904960), (2020, 896000), (2048, 883750), (2240, 808000), (2500, 723968), (2525, 716800), (2560, 707000), (2800, 646400), (2828, 640000), (3200, 565600), (3232, 560000), (3500, 517120), (3535, 512000), (3584, 505000), (4000, 452480), (4040, 448000), (4096, 441875), (4375, 413696), (4480, 404000), (5000, 361984), (5050, 358400), (5120, 353500), (5600, 323200), (5656, 320000), (6400, 282800), (6464, 280000), (7000, 258560), (7070, 256000), (7168, 252500), (8000, 226240), (8080, 224000), (8750, 206848), (8960, 202000), (10000, 180992), (10100, 179200), (10240, 176750), (11200, 161600), (11312, 160000), (12625, 143360), (12800, 141400), (12928, 140000), (14000, 129280), (14140, 128000), (14336, 126250), (16000, 113120), (16160, 112000), (17500, 103424), (17675, 102400), (17920, 101000), (20000, 90496), (20200, 89600), (20480, 88375), (22400, 80800), (22624, 80000), (25250, 71680), (25600, 70700), (25856, 70000), (28000, 64640), (28280, 64000), (28672, 63125), (32000, 56560), (32320, 56000), (35000, 51712), (35350, 51200), (35840, 50500), (40000, 45248), (40400, 44800)]