16081920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{349}}^1$

素因数の和:380

約数の個数: 132

約数和(自身を含む): 55883100

約数和(自身を除く): 39801180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 349, 360, 384, 480, 512, 576, 640, 698, 720, 768, 960, 1024, 1047, 1152, 1280, 1396, 1440, 1536, 1745, 1920, 2094, 2304, 2560, 2792, 2880, 3072, 3141, 3490, 3840, 4188, 4608, 5120, 5235, 5584, 5760, 6282, 6980, 7680, 8376, 9216, 10470, 11168, 11520, 12564, 13960, 15360, 15705, 16752, 20940, 22336, 23040, 25128, 27920, 31410, 33504, 41880, 44672, 46080, 50256, 55840, 62820, 67008, 83760, 89344, 100512, 111680, 125640, 134016, 167520, 178688, 201024, 223360, 251280, 268032, 335040, 357376, 402048, 446720, 502560, 536064, 670080, 804096, 893440, 1005120, 1072128, 1340160, 1608192, 1786880, 2010240, 2680320, 3216384, 4020480, 5360640, 8040960, 16081920]

約数ペア:

[(1, 16081920), (2, 8040960), (3, 5360640), (4, 4020480), (5, 3216384), (6, 2680320), (8, 2010240), (9, 1786880), (10, 1608192), (12, 1340160), (15, 1072128), (16, 1005120), (18, 893440), (20, 804096), (24, 670080), (30, 536064), (32, 502560), (36, 446720), (40, 402048), (45, 357376), (48, 335040), (60, 268032), (64, 251280), (72, 223360), (80, 201024), (90, 178688), (96, 167520), (120, 134016), (128, 125640), (144, 111680), (160, 100512), (180, 89344), (192, 83760), (240, 67008), (256, 62820), (288, 55840), (320, 50256), (349, 46080), (360, 44672), (384, 41880), (480, 33504), (512, 31410), (576, 27920), (640, 25128), (698, 23040), (720, 22336), (768, 20940), (960, 16752), (1024, 15705), (1047, 15360), (1152, 13960), (1280, 12564), (1396, 11520), (1440, 11168), (1536, 10470), (1745, 9216), (1920, 8376), (2094, 7680), (2304, 6980), (2560, 6282), (2792, 5760), (2880, 5584), (3072, 5235), (3141, 5120), (3490, 4608), (3840, 4188)]