72016000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 204946560

約数和(自身を除く): 132930560

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, 280, 320, 350, 400, 448, 500, 560, 640, 643, 700, 800, 875, 896, 1000, 1120, 1286, 1400, 1600, 1750, 2000, 2240, 2572, 2800, 3200, 3215, 3500, 4000, 4480, 4501, 5144, 5600, 6430, 7000, 8000, 9002, 10288, 11200, 12860, 14000, 16000, 16075, 18004, 20576, 22400, 22505, 25720, 28000, 32150, 36008, 41152, 45010, 51440, 56000, 64300, 72016, 80375, 82304, 90020, 102880, 112000, 112525, 128600, 144032, 160750, 180040, 205760, 225050, 257200, 288064, 321500, 360080, 411520, 450100, 514400, 562625, 576128, 643000, 720160, 900200, 1028800, 1125250, 1286000, 1440320, 1800400, 2057600, 2250500, 2572000, 2880640, 3600800, 4501000, 5144000, 7201600, 9002000, 10288000, 14403200, 18004000, 36008000, 72016000]

約数ペア:

[(1, 72016000), (2, 36008000), (4, 18004000), (5, 14403200), (7, 10288000), (8, 9002000), (10, 7201600), (14, 5144000), (16, 4501000), (20, 3600800), (25, 2880640), (28, 2572000), (32, 2250500), (35, 2057600), (40, 1800400), (50, 1440320), (56, 1286000), (64, 1125250), (70, 1028800), (80, 900200), (100, 720160), (112, 643000), (125, 576128), (128, 562625), (140, 514400), (160, 450100), (175, 411520), (200, 360080), (224, 321500), (250, 288064), (280, 257200), (320, 225050), (350, 205760), (400, 180040), (448, 160750), (500, 144032), (560, 128600), (640, 112525), (643, 112000), (700, 102880), (800, 90020), (875, 82304), (896, 80375), (1000, 72016), (1120, 64300), (1286, 56000), (1400, 51440), (1600, 45010), (1750, 41152), (2000, 36008), (2240, 32150), (2572, 28000), (2800, 25720), (3200, 22505), (3215, 22400), (3500, 20576), (4000, 18004), (4480, 16075), (4501, 16000), (5144, 14000), (5600, 12860), (6430, 11200), (7000, 10288), (8000, 9002)]