138656000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 395391360

約数和(自身を除く): 256735360

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, 619, 640, 700, 800, 875, 896, 1000, 1120, 1238, 1280, 1400, 1600, 1750, 1792, 2000, 2240, 2476, 2800, 3095, 3200, 3500, 4000, 4333, 4480, 4952, 5600, 6190, 6400, 7000, 8000, 8666, 8960, 9904, 11200, 12380, 14000, 15475, 16000, 17332, 19808, 21665, 22400, 24760, 28000, 30950, 32000, 34664, 39616, 43330, 44800, 49520, 56000, 61900, 69328, 77375, 79232, 86660, 99040, 108325, 112000, 123800, 138656, 154750, 158464, 173320, 198080, 216650, 224000, 247600, 277312, 309500, 346640, 396160, 433300, 495200, 541625, 554624, 619000, 693280, 792320, 866600, 990400, 1083250, 1109248, 1238000, 1386560, 1733200, 1980800, 2166500, 2476000, 2773120, 3466400, 3961600, 4333000, 4952000, 5546240, 6932800, 8666000, 9904000, 13865600, 17332000, 19808000, 27731200, 34664000, 69328000, 138656000]

約数ペア:

[(1, 138656000), (2, 69328000), (4, 34664000), (5, 27731200), (7, 19808000), (8, 17332000), (10, 13865600), (14, 9904000), (16, 8666000), (20, 6932800), (25, 5546240), (28, 4952000), (32, 4333000), (35, 3961600), (40, 3466400), (50, 2773120), (56, 2476000), (64, 2166500), (70, 1980800), (80, 1733200), (100, 1386560), (112, 1238000), (125, 1109248), (128, 1083250), (140, 990400), (160, 866600), (175, 792320), (200, 693280), (224, 619000), (250, 554624), (256, 541625), (280, 495200), (320, 433300), (350, 396160), (400, 346640), (448, 309500), (500, 277312), (560, 247600), (619, 224000), (640, 216650), (700, 198080), (800, 173320), (875, 158464), (896, 154750), (1000, 138656), (1120, 123800), (1238, 112000), (1280, 108325), (1400, 99040), (1600, 86660), (1750, 79232), (1792, 77375), (2000, 69328), (2240, 61900), (2476, 56000), (2800, 49520), (3095, 44800), (3200, 43330), (3500, 39616), (4000, 34664), (4333, 32000), (4480, 30950), (4952, 28000), (5600, 24760), (6190, 22400), (6400, 21665), (7000, 19808), (8000, 17332), (8666, 16000), (8960, 15475), (9904, 14000), (11200, 12380)]