257055840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1303}}^1$

素因数の和:1461

約数の個数: 144

約数和(自身を含む): 884284128

約数和(自身を除く): 627228288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 137, 144, 160, 180, 240, 274, 288, 360, 411, 480, 548, 685, 720, 822, 1096, 1233, 1303, 1370, 1440, 1644, 2055, 2192, 2466, 2606, 2740, 3288, 3909, 4110, 4384, 4932, 5212, 5480, 6165, 6515, 6576, 7818, 8220, 9864, 10424, 10960, 11727, 12330, 13030, 13152, 15636, 16440, 19545, 19728, 20848, 21920, 23454, 24660, 26060, 31272, 32880, 39090, 39456, 41696, 46908, 49320, 52120, 58635, 62544, 65760, 78180, 93816, 98640, 104240, 117270, 125088, 156360, 178511, 187632, 197280, 208480, 234540, 312720, 357022, 375264, 469080, 535533, 625440, 714044, 892555, 938160, 1071066, 1428088, 1606599, 1785110, 1876320, 2142132, 2677665, 2856176, 3213198, 3570220, 4284264, 5355330, 5712352, 6426396, 7140440, 8032995, 8568528, 10710660, 12852792, 14280880, 16065990, 17137056, 21421320, 25705584, 28561760, 32131980, 42842640, 51411168, 64263960, 85685280, 128527920, 257055840]

約数ペア:

[(1, 257055840), (2, 128527920), (3, 85685280), (4, 64263960), (5, 51411168), (6, 42842640), (8, 32131980), (9, 28561760), (10, 25705584), (12, 21421320), (15, 17137056), (16, 16065990), (18, 14280880), (20, 12852792), (24, 10710660), (30, 8568528), (32, 8032995), (36, 7140440), (40, 6426396), (45, 5712352), (48, 5355330), (60, 4284264), (72, 3570220), (80, 3213198), (90, 2856176), (96, 2677665), (120, 2142132), (137, 1876320), (144, 1785110), (160, 1606599), (180, 1428088), (240, 1071066), (274, 938160), (288, 892555), (360, 714044), (411, 625440), (480, 535533), (548, 469080), (685, 375264), (720, 357022), (822, 312720), (1096, 234540), (1233, 208480), (1303, 197280), (1370, 187632), (1440, 178511), (1644, 156360), (2055, 125088), (2192, 117270), (2466, 104240), (2606, 98640), (2740, 93816), (3288, 78180), (3909, 65760), (4110, 62544), (4384, 58635), (4932, 52120), (5212, 49320), (5480, 46908), (6165, 41696), (6515, 39456), (6576, 39090), (7818, 32880), (8220, 31272), (9864, 26060), (10424, 24660), (10960, 23454), (11727, 21920), (12330, 20848), (13030, 19728), (13152, 19545), (15636, 16440)]