164012800

素因数分解:

$2^8\times 5^2\times 7^2\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 162

約数和(自身を含む): 473138988

約数和(自身を除く): 309126188

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 523, 560, 640, 700, 784, 800, 896, 980, 1046, 1120, 1225, 1280, 1400, 1568, 1600, 1792, 1960, 2092, 2240, 2450, 2615, 2800, 3136, 3200, 3661, 3920, 4184, 4480, 4900, 5230, 5600, 6272, 6400, 7322, 7840, 8368, 8960, 9800, 10460, 11200, 12544, 13075, 14644, 15680, 16736, 18305, 19600, 20920, 22400, 25627, 26150, 29288, 31360, 33472, 36610, 39200, 41840, 44800, 51254, 52300, 58576, 62720, 66944, 73220, 78400, 83680, 91525, 102508, 104600, 117152, 128135, 133888, 146440, 156800, 167360, 183050, 205016, 209200, 234304, 256270, 292880, 313600, 334720, 366100, 410032, 418400, 468608, 512540, 585760, 640675, 669440, 732200, 820064, 836800, 937216, 1025080, 1171520, 1281350, 1464400, 1640128, 1673600, 2050160, 2343040, 2562700, 2928800, 3280256, 3347200, 4100320, 4686080, 5125400, 5857600, 6560512, 8200640, 10250800, 11715200, 16401280, 20501600, 23430400, 32802560, 41003200, 82006400, 164012800]

約数ペア:

[(1, 164012800), (2, 82006400), (4, 41003200), (5, 32802560), (7, 23430400), (8, 20501600), (10, 16401280), (14, 11715200), (16, 10250800), (20, 8200640), (25, 6560512), (28, 5857600), (32, 5125400), (35, 4686080), (40, 4100320), (49, 3347200), (50, 3280256), (56, 2928800), (64, 2562700), (70, 2343040), (80, 2050160), (98, 1673600), (100, 1640128), (112, 1464400), (128, 1281350), (140, 1171520), (160, 1025080), (175, 937216), (196, 836800), (200, 820064), (224, 732200), (245, 669440), (256, 640675), (280, 585760), (320, 512540), (350, 468608), (392, 418400), (400, 410032), (448, 366100), (490, 334720), (523, 313600), (560, 292880), (640, 256270), (700, 234304), (784, 209200), (800, 205016), (896, 183050), (980, 167360), (1046, 156800), (1120, 146440), (1225, 133888), (1280, 128135), (1400, 117152), (1568, 104600), (1600, 102508), (1792, 91525), (1960, 83680), (2092, 78400), (2240, 73220), (2450, 66944), (2615, 62720), (2800, 58576), (3136, 52300), (3200, 51254), (3661, 44800), (3920, 41840), (4184, 39200), (4480, 36610), (4900, 33472), (5230, 31360), (5600, 29288), (6272, 26150), (6400, 25627), (7322, 22400), (7840, 20920), (8368, 19600), (8960, 18305), (9800, 16736), (10460, 15680), (11200, 14644), (12544, 13075)]