217457280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2031

約数の個数: 192

約数和(自身を含む): 790826400

約数和(自身を除く): 573369120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 855, 912, 960, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1824, 1920, 1987, 2280, 2432, 2736, 2880, 3040, 3420, 3648, 3974, 4560, 5472, 5760, 5961, 6080, 6840, 7296, 7948, 9120, 9935, 10944, 11922, 12160, 13680, 15896, 17883, 18240, 19870, 21888, 23844, 27360, 29805, 31792, 35766, 36480, 37753, 39740, 47688, 54720, 59610, 63584, 71532, 75506, 79480, 89415, 95376, 109440, 113259, 119220, 127168, 143064, 151012, 158960, 178830, 188765, 190752, 226518, 238440, 254336, 286128, 302024, 317920, 339777, 357660, 377530, 381504, 453036, 476880, 566295, 572256, 604048, 635840, 679554, 715320, 755060, 763008, 906072, 953760, 1132590, 1144512, 1208096, 1271680, 1359108, 1430640, 1510120, 1698885, 1812144, 1907520, 2265180, 2289024, 2416192, 2718216, 2861280, 3020240, 3397770, 3624288, 3815040, 4530360, 4832384, 5436432, 5722560, 6040480, 6795540, 7248576, 9060720, 10872864, 11445120, 12080960, 13591080, 14497152, 18121440, 21745728, 24161920, 27182160, 36242880, 43491456, 54364320, 72485760, 108728640, 217457280]

約数ペア:

[(1, 217457280), (2, 108728640), (3, 72485760), (4, 54364320), (5, 43491456), (6, 36242880), (8, 27182160), (9, 24161920), (10, 21745728), (12, 18121440), (15, 14497152), (16, 13591080), (18, 12080960), (19, 11445120), (20, 10872864), (24, 9060720), (30, 7248576), (32, 6795540), (36, 6040480), (38, 5722560), (40, 5436432), (45, 4832384), (48, 4530360), (57, 3815040), (60, 3624288), (64, 3397770), (72, 3020240), (76, 2861280), (80, 2718216), (90, 2416192), (95, 2289024), (96, 2265180), (114, 1907520), (120, 1812144), (128, 1698885), (144, 1510120), (152, 1430640), (160, 1359108), (171, 1271680), (180, 1208096), (190, 1144512), (192, 1132590), (228, 953760), (240, 906072), (285, 763008), (288, 755060), (304, 715320), (320, 679554), (342, 635840), (360, 604048), (380, 572256), (384, 566295), (456, 476880), (480, 453036), (570, 381504), (576, 377530), (608, 357660), (640, 339777), (684, 317920), (720, 302024), (760, 286128), (855, 254336), (912, 238440), (960, 226518), (1140, 190752), (1152, 188765), (1216, 178830), (1368, 158960), (1440, 151012), (1520, 143064), (1710, 127168), (1824, 119220), (1920, 113259), (1987, 109440), (2280, 95376), (2432, 89415), (2736, 79480), (2880, 75506), (3040, 71532), (3420, 63584), (3648, 59610), (3974, 54720), (4560, 47688), (5472, 39740), (5760, 37753), (5961, 36480), (6080, 35766), (6840, 31792), (7296, 29805), (7948, 27360), (9120, 23844), (9935, 21888), (10944, 19870), (11922, 18240), (12160, 17883), (13680, 15896)]