51166720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 141419520

約数和(自身を除く): 90252800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 79, 80, 88, 92, 110, 115, 128, 158, 160, 176, 184, 220, 230, 253, 256, 316, 320, 352, 368, 395, 440, 460, 506, 512, 632, 640, 704, 736, 790, 869, 880, 920, 1012, 1264, 1265, 1280, 1408, 1472, 1580, 1738, 1760, 1817, 1840, 2024, 2528, 2530, 2560, 2816, 2944, 3160, 3476, 3520, 3634, 3680, 4048, 4345, 5056, 5060, 5632, 5888, 6320, 6952, 7040, 7268, 7360, 8096, 8690, 9085, 10112, 10120, 11776, 12640, 13904, 14080, 14536, 14720, 16192, 17380, 18170, 19987, 20224, 20240, 25280, 27808, 28160, 29072, 29440, 32384, 34760, 36340, 39974, 40448, 40480, 50560, 55616, 58144, 58880, 64768, 69520, 72680, 79948, 80960, 99935, 101120, 111232, 116288, 129536, 139040, 145360, 159896, 161920, 199870, 202240, 222464, 232576, 278080, 290720, 319792, 323840, 399740, 444928, 465152, 556160, 581440, 639584, 647680, 799480, 930304, 1112320, 1162880, 1279168, 1598960, 2224640, 2325760, 2558336, 3197920, 4651520, 5116672, 6395840, 10233344, 12791680, 25583360, 51166720]

約数ペア:

[(1, 51166720), (2, 25583360), (4, 12791680), (5, 10233344), (8, 6395840), (10, 5116672), (11, 4651520), (16, 3197920), (20, 2558336), (22, 2325760), (23, 2224640), (32, 1598960), (40, 1279168), (44, 1162880), (46, 1112320), (55, 930304), (64, 799480), (79, 647680), (80, 639584), (88, 581440), (92, 556160), (110, 465152), (115, 444928), (128, 399740), (158, 323840), (160, 319792), (176, 290720), (184, 278080), (220, 232576), (230, 222464), (253, 202240), (256, 199870), (316, 161920), (320, 159896), (352, 145360), (368, 139040), (395, 129536), (440, 116288), (460, 111232), (506, 101120), (512, 99935), (632, 80960), (640, 79948), (704, 72680), (736, 69520), (790, 64768), (869, 58880), (880, 58144), (920, 55616), (1012, 50560), (1264, 40480), (1265, 40448), (1280, 39974), (1408, 36340), (1472, 34760), (1580, 32384), (1738, 29440), (1760, 29072), (1817, 28160), (1840, 27808), (2024, 25280), (2528, 20240), (2530, 20224), (2560, 19987), (2816, 18170), (2944, 17380), (3160, 16192), (3476, 14720), (3520, 14536), (3634, 14080), (3680, 13904), (4048, 12640), (4345, 11776), (5056, 10120), (5060, 10112), (5632, 9085), (5888, 8690), (6320, 8096), (6952, 7360), (7040, 7268)]