164190720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{21379}}^1$

素因数の和:21405

約数の個数: 80

約数和(自身を含む): 524921760

約数和(自身を除く): 360731040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 21379, 42758, 64137, 85516, 106895, 128274, 171032, 213790, 256548, 320685, 342064, 427580, 513096, 641370, 684128, 855160, 1026192, 1282740, 1368256, 1710320, 2052384, 2565480, 2736512, 3420640, 4104768, 5130960, 5473024, 6841280, 8209536, 10261920, 10946048, 13682560, 16419072, 20523840, 27365120, 32838144, 41047680, 54730240, 82095360, 164190720]

約数ペア:

[(1, 164190720), (2, 82095360), (3, 54730240), (4, 41047680), (5, 32838144), (6, 27365120), (8, 20523840), (10, 16419072), (12, 13682560), (15, 10946048), (16, 10261920), (20, 8209536), (24, 6841280), (30, 5473024), (32, 5130960), (40, 4104768), (48, 3420640), (60, 2736512), (64, 2565480), (80, 2052384), (96, 1710320), (120, 1368256), (128, 1282740), (160, 1026192), (192, 855160), (240, 684128), (256, 641370), (320, 513096), (384, 427580), (480, 342064), (512, 320685), (640, 256548), (768, 213790), (960, 171032), (1280, 128274), (1536, 106895), (1920, 85516), (2560, 64137), (3840, 42758), (7680, 21379)]