397820160

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1315

約数の個数: 216

約数和(自身を含む): 1428510720

約数和(自身を除く): 1030690560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1279, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2558, 2592, 2880, 3240, 3456, 3837, 3840, 3888, 4320, 4860, 5116, 5184, 5760, 6395, 6480, 6912, 7674, 7776, 8640, 9720, 10232, 10368, 11511, 11520, 12790, 12960, 15348, 15552, 17280, 19185, 19440, 20464, 20736, 23022, 25580, 25920, 30696, 31104, 34533, 34560, 38370, 38880, 40928, 46044, 51160, 51840, 57555, 61392, 62208, 69066, 76740, 77760, 81856, 92088, 102320, 103599, 103680, 115110, 122784, 138132, 153480, 155520, 163712, 172665, 184176, 204640, 207198, 230220, 245568, 276264, 306960, 310797, 311040, 327424, 345330, 368352, 409280, 414396, 460440, 491136, 517995, 552528, 613920, 621594, 690660, 736704, 818560, 828792, 920880, 982272, 1035990, 1105056, 1227840, 1243188, 1381320, 1473408, 1553985, 1637120, 1657584, 1841760, 2071980, 2210112, 2455680, 2486376, 2762640, 2946816, 3107970, 3315168, 3683520, 4143960, 4420224, 4911360, 4972752, 5525280, 6215940, 6630336, 7367040, 8287920, 8840448, 9945504, 11050560, 12431880, 13260672, 14734080, 16575840, 19891008, 22101120, 24863760, 26521344, 33151680, 39782016, 44202240, 49727520, 66303360, 79564032, 99455040, 132606720, 198910080, 397820160]

約数ペア:

[(1, 397820160), (2, 198910080), (3, 132606720), (4, 99455040), (5, 79564032), (6, 66303360), (8, 49727520), (9, 44202240), (10, 39782016), (12, 33151680), (15, 26521344), (16, 24863760), (18, 22101120), (20, 19891008), (24, 16575840), (27, 14734080), (30, 13260672), (32, 12431880), (36, 11050560), (40, 9945504), (45, 8840448), (48, 8287920), (54, 7367040), (60, 6630336), (64, 6215940), (72, 5525280), (80, 4972752), (81, 4911360), (90, 4420224), (96, 4143960), (108, 3683520), (120, 3315168), (128, 3107970), (135, 2946816), (144, 2762640), (160, 2486376), (162, 2455680), (180, 2210112), (192, 2071980), (216, 1841760), (240, 1657584), (243, 1637120), (256, 1553985), (270, 1473408), (288, 1381320), (320, 1243188), (324, 1227840), (360, 1105056), (384, 1035990), (405, 982272), (432, 920880), (480, 828792), (486, 818560), (540, 736704), (576, 690660), (640, 621594), (648, 613920), (720, 552528), (768, 517995), (810, 491136), (864, 460440), (960, 414396), (972, 409280), (1080, 368352), (1152, 345330), (1215, 327424), (1279, 311040), (1280, 310797), (1296, 306960), (1440, 276264), (1620, 245568), (1728, 230220), (1920, 207198), (1944, 204640), (2160, 184176), (2304, 172665), (2430, 163712), (2558, 155520), (2592, 153480), (2880, 138132), (3240, 122784), (3456, 115110), (3837, 103680), (3840, 103599), (3888, 102320), (4320, 92088), (4860, 81856), (5116, 77760), (5184, 76740), (5760, 69066), (6395, 62208), (6480, 61392), (6912, 57555), (7674, 51840), (7776, 51160), (8640, 46044), (9720, 40928), (10232, 38880), (10368, 38370), (11511, 34560), (11520, 34533), (12790, 31104), (12960, 30696), (15348, 25920), (15552, 25580), (17280, 23022), (19185, 20736), (19440, 20464)]