261671040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:844

約数の個数: 256

約数和(自身を含む): 976752000

約数和(自身を除く): 715080960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 797, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1594, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2391, 2432, 2565, 2736, 2880, 3040, 3188, 3420, 3456, 3648, 3985, 4104, 4320, 4560, 4782, 5130, 5472, 5760, 6080, 6376, 6840, 7173, 7296, 7970, 8208, 8640, 9120, 9564, 10260, 10944, 11955, 12160, 12752, 13680, 14346, 15143, 15940, 16416, 17280, 18240, 19128, 20520, 21519, 21888, 23910, 25504, 27360, 28692, 30286, 31880, 32832, 35865, 36480, 38256, 41040, 43038, 45429, 47820, 51008, 54720, 57384, 60572, 63760, 65664, 71730, 75715, 76512, 82080, 86076, 90858, 95640, 102016, 107595, 109440, 114768, 121144, 127520, 136287, 143460, 151430, 153024, 164160, 172152, 181716, 191280, 215190, 227145, 229536, 242288, 255040, 272574, 286920, 302860, 306048, 328320, 344304, 363432, 382560, 408861, 430380, 454290, 459072, 484576, 510080, 545148, 573840, 605720, 681435, 688608, 726864, 765120, 817722, 860760, 908580, 918144, 969152, 1090296, 1147680, 1211440, 1362870, 1377216, 1453728, 1530240, 1635444, 1721520, 1817160, 1938304, 2044305, 2180592, 2295360, 2422880, 2725740, 2754432, 2907456, 3270888, 3443040, 3634320, 4088610, 4361184, 4590720, 4845760, 5451480, 5814912, 6541776, 6886080, 7268640, 8177220, 8722368, 9691520, 10902960, 13083552, 13772160, 14537280, 16354440, 17444736, 21805920, 26167104, 29074560, 32708880, 43611840, 52334208, 65417760, 87223680, 130835520, 261671040]

約数ペア:

[(1, 261671040), (2, 130835520), (3, 87223680), (4, 65417760), (5, 52334208), (6, 43611840), (8, 32708880), (9, 29074560), (10, 26167104), (12, 21805920), (15, 17444736), (16, 16354440), (18, 14537280), (19, 13772160), (20, 13083552), (24, 10902960), (27, 9691520), (30, 8722368), (32, 8177220), (36, 7268640), (38, 6886080), (40, 6541776), (45, 5814912), (48, 5451480), (54, 4845760), (57, 4590720), (60, 4361184), (64, 4088610), (72, 3634320), (76, 3443040), (80, 3270888), (90, 2907456), (95, 2754432), (96, 2725740), (108, 2422880), (114, 2295360), (120, 2180592), (128, 2044305), (135, 1938304), (144, 1817160), (152, 1721520), (160, 1635444), (171, 1530240), (180, 1453728), (190, 1377216), (192, 1362870), (216, 1211440), (228, 1147680), (240, 1090296), (270, 969152), (285, 918144), (288, 908580), (304, 860760), (320, 817722), (342, 765120), (360, 726864), (380, 688608), (384, 681435), (432, 605720), (456, 573840), (480, 545148), (513, 510080), (540, 484576), (570, 459072), (576, 454290), (608, 430380), (640, 408861), (684, 382560), (720, 363432), (760, 344304), (797, 328320), (855, 306048), (864, 302860), (912, 286920), (960, 272574), (1026, 255040), (1080, 242288), (1140, 229536), (1152, 227145), (1216, 215190), (1368, 191280), (1440, 181716), (1520, 172152), (1594, 164160), (1710, 153024), (1728, 151430), (1824, 143460), (1920, 136287), (2052, 127520), (2160, 121144), (2280, 114768), (2391, 109440), (2432, 107595), (2565, 102016), (2736, 95640), (2880, 90858), (3040, 86076), (3188, 82080), (3420, 76512), (3456, 75715), (3648, 71730), (3985, 65664), (4104, 63760), (4320, 60572), (4560, 57384), (4782, 54720), (5130, 51008), (5472, 47820), (5760, 45429), (6080, 43038), (6376, 41040), (6840, 38256), (7173, 36480), (7296, 35865), (7970, 32832), (8208, 31880), (8640, 30286), (9120, 28692), (9564, 27360), (10260, 25504), (10944, 23910), (11955, 21888), (12160, 21519), (12752, 20520), (13680, 19128), (14346, 18240), (15143, 17280), (15940, 16416)]