281391360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 907339776

約数和(自身を除く): 625948416

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, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 577, 635, 640, 762, 768, 960, 1016, 1154, 1270, 1280, 1524, 1731, 1905, 1920, 2032, 2308, 2540, 2885, 3048, 3462, 3810, 3840, 4064, 4616, 5080, 5770, 6096, 6924, 7620, 8128, 8655, 9232, 10160, 11540, 12192, 13848, 15240, 16256, 17310, 18464, 20320, 23080, 24384, 27696, 30480, 32512, 34620, 36928, 40640, 46160, 48768, 55392, 60960, 69240, 73279, 73856, 81280, 92320, 97536, 110784, 121920, 138480, 146558, 147712, 162560, 184640, 219837, 221568, 243840, 276960, 293116, 366395, 369280, 439674, 443136, 487680, 553920, 586232, 732790, 738560, 879348, 1099185, 1107840, 1172464, 1465580, 1758696, 2198370, 2215680, 2344928, 2931160, 3517392, 4396740, 4689856, 5862320, 7034784, 8793480, 9379712, 11724640, 14069568, 17586960, 18759424, 23449280, 28139136, 35173920, 46898560, 56278272, 70347840, 93797120, 140695680, 281391360]

約数ペア:

[(1, 281391360), (2, 140695680), (3, 93797120), (4, 70347840), (5, 56278272), (6, 46898560), (8, 35173920), (10, 28139136), (12, 23449280), (15, 18759424), (16, 17586960), (20, 14069568), (24, 11724640), (30, 9379712), (32, 8793480), (40, 7034784), (48, 5862320), (60, 4689856), (64, 4396740), (80, 3517392), (96, 2931160), (120, 2344928), (127, 2215680), (128, 2198370), (160, 1758696), (192, 1465580), (240, 1172464), (254, 1107840), (256, 1099185), (320, 879348), (381, 738560), (384, 732790), (480, 586232), (508, 553920), (577, 487680), (635, 443136), (640, 439674), (762, 369280), (768, 366395), (960, 293116), (1016, 276960), (1154, 243840), (1270, 221568), (1280, 219837), (1524, 184640), (1731, 162560), (1905, 147712), (1920, 146558), (2032, 138480), (2308, 121920), (2540, 110784), (2885, 97536), (3048, 92320), (3462, 81280), (3810, 73856), (3840, 73279), (4064, 69240), (4616, 60960), (5080, 55392), (5770, 48768), (6096, 46160), (6924, 40640), (7620, 36928), (8128, 34620), (8655, 32512), (9232, 30480), (10160, 27696), (11540, 24384), (12192, 23080), (13848, 20320), (15240, 18464), (16256, 17310)]