19891200

素因数分解:

$2^{10}\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 264

約数和(自身を含む): 77163712

約数和(自身を除く): 57272512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 37, 40, 42, 48, 50, 56, 60, 64, 70, 74, 75, 80, 84, 96, 100, 105, 111, 112, 120, 128, 140, 148, 150, 160, 168, 175, 185, 192, 200, 210, 222, 224, 240, 256, 259, 280, 296, 300, 320, 336, 350, 370, 384, 400, 420, 444, 448, 480, 512, 518, 525, 555, 560, 592, 600, 640, 672, 700, 740, 768, 777, 800, 840, 888, 896, 925, 960, 1024, 1036, 1050, 1110, 1120, 1184, 1200, 1280, 1295, 1344, 1400, 1480, 1536, 1554, 1600, 1680, 1776, 1792, 1850, 1920, 2072, 2100, 2220, 2240, 2368, 2400, 2560, 2590, 2688, 2775, 2800, 2960, 3072, 3108, 3200, 3360, 3552, 3584, 3700, 3840, 3885, 4144, 4200, 4440, 4480, 4736, 4800, 5120, 5180, 5376, 5550, 5600, 5920, 6216, 6400, 6475, 6720, 7104, 7168, 7400, 7680, 7770, 8288, 8400, 8880, 8960, 9472, 9600, 10360, 10752, 11100, 11200, 11840, 12432, 12800, 12950, 13440, 14208, 14800, 15360, 15540, 16576, 16800, 17760, 17920, 18944, 19200, 19425, 20720, 21504, 22200, 22400, 23680, 24864, 25600, 25900, 26880, 28416, 29600, 31080, 33152, 33600, 35520, 35840, 37888, 38400, 38850, 41440, 44400, 44800, 47360, 49728, 51800, 53760, 56832, 59200, 62160, 66304, 67200, 71040, 76800, 77700, 82880, 88800, 89600, 94720, 99456, 103600, 107520, 113664, 118400, 124320, 132608, 134400, 142080, 155400, 165760, 177600, 179200, 189440, 198912, 207200, 236800, 248640, 265216, 268800, 284160, 310800, 331520, 355200, 397824, 414400, 473600, 497280, 537600, 568320, 621600, 663040, 710400, 795648, 828800, 947200, 994560, 1243200, 1326080, 1420800, 1657600, 1989120, 2486400, 2841600, 3315200, 3978240, 4972800, 6630400, 9945600, 19891200]

約数ペア:

[(1, 19891200), (2, 9945600), (3, 6630400), (4, 4972800), (5, 3978240), (6, 3315200), (7, 2841600), (8, 2486400), (10, 1989120), (12, 1657600), (14, 1420800), (15, 1326080), (16, 1243200), (20, 994560), (21, 947200), (24, 828800), (25, 795648), (28, 710400), (30, 663040), (32, 621600), (35, 568320), (37, 537600), (40, 497280), (42, 473600), (48, 414400), (50, 397824), (56, 355200), (60, 331520), (64, 310800), (70, 284160), (74, 268800), (75, 265216), (80, 248640), (84, 236800), (96, 207200), (100, 198912), (105, 189440), (111, 179200), (112, 177600), (120, 165760), (128, 155400), (140, 142080), (148, 134400), (150, 132608), (160, 124320), (168, 118400), (175, 113664), (185, 107520), (192, 103600), (200, 99456), (210, 94720), (222, 89600), (224, 88800), (240, 82880), (256, 77700), (259, 76800), (280, 71040), (296, 67200), (300, 66304), (320, 62160), (336, 59200), (350, 56832), (370, 53760), (384, 51800), (400, 49728), (420, 47360), (444, 44800), (448, 44400), (480, 41440), (512, 38850), (518, 38400), (525, 37888), (555, 35840), (560, 35520), (592, 33600), (600, 33152), (640, 31080), (672, 29600), (700, 28416), (740, 26880), (768, 25900), (777, 25600), (800, 24864), (840, 23680), (888, 22400), (896, 22200), (925, 21504), (960, 20720), (1024, 19425), (1036, 19200), (1050, 18944), (1110, 17920), (1120, 17760), (1184, 16800), (1200, 16576), (1280, 15540), (1295, 15360), (1344, 14800), (1400, 14208), (1480, 13440), (1536, 12950), (1554, 12800), (1600, 12432), (1680, 11840), (1776, 11200), (1792, 11100), (1850, 10752), (1920, 10360), (2072, 9600), (2100, 9472), (2220, 8960), (2240, 8880), (2368, 8400), (2400, 8288), (2560, 7770), (2590, 7680), (2688, 7400), (2775, 7168), (2800, 7104), (2960, 6720), (3072, 6475), (3108, 6400), (3200, 6216), (3360, 5920), (3552, 5600), (3584, 5550), (3700, 5376), (3840, 5180), (3885, 5120), (4144, 4800), (4200, 4736), (4440, 4480)]