1908704000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{8521}}^1$

素因数の和:8559

約数の個数: 144

約数和(自身を含む): 5434718016

約数和(自身を除く): 3526014016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 560, 640, 700, 800, 875, 896, 1000, 1120, 1280, 1400, 1600, 1750, 1792, 2000, 2240, 2800, 3200, 3500, 4000, 4480, 5600, 6400, 7000, 8000, 8521, 8960, 11200, 14000, 16000, 17042, 22400, 28000, 32000, 34084, 42605, 44800, 56000, 59647, 68168, 85210, 112000, 119294, 136336, 170420, 213025, 224000, 238588, 272672, 298235, 340840, 426050, 477176, 545344, 596470, 681680, 852100, 954352, 1065125, 1090688, 1192940, 1363360, 1491175, 1704200, 1908704, 2130250, 2181376, 2385880, 2726720, 2982350, 3408400, 3817408, 4260500, 4771760, 5453440, 5964700, 6816800, 7455875, 7634816, 8521000, 9543520, 10906880, 11929400, 13633600, 14911750, 15269632, 17042000, 19087040, 23858800, 27267200, 29823500, 34084000, 38174080, 47717600, 54534400, 59647000, 68168000, 76348160, 95435200, 119294000, 136336000, 190870400, 238588000, 272672000, 381740800, 477176000, 954352000, 1908704000]

約数ペア:

[(1, 1908704000), (2, 954352000), (4, 477176000), (5, 381740800), (7, 272672000), (8, 238588000), (10, 190870400), (14, 136336000), (16, 119294000), (20, 95435200), (25, 76348160), (28, 68168000), (32, 59647000), (35, 54534400), (40, 47717600), (50, 38174080), (56, 34084000), (64, 29823500), (70, 27267200), (80, 23858800), (100, 19087040), (112, 17042000), (125, 15269632), (128, 14911750), (140, 13633600), (160, 11929400), (175, 10906880), (200, 9543520), (224, 8521000), (250, 7634816), (256, 7455875), (280, 6816800), (320, 5964700), (350, 5453440), (400, 4771760), (448, 4260500), (500, 3817408), (560, 3408400), (640, 2982350), (700, 2726720), (800, 2385880), (875, 2181376), (896, 2130250), (1000, 1908704), (1120, 1704200), (1280, 1491175), (1400, 1363360), (1600, 1192940), (1750, 1090688), (1792, 1065125), (2000, 954352), (2240, 852100), (2800, 681680), (3200, 596470), (3500, 545344), (4000, 477176), (4480, 426050), (5600, 340840), (6400, 298235), (7000, 272672), (8000, 238588), (8521, 224000), (8960, 213025), (11200, 170420), (14000, 136336), (16000, 119294), (17042, 112000), (22400, 85210), (28000, 68168), (32000, 59647), (34084, 56000), (42605, 44800)]