208985280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 224

約数和(自身を含む): 767218176

約数和(自身を除く): 558232896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 137, 140, 160, 168, 192, 210, 224, 227, 240, 274, 280, 320, 336, 411, 420, 448, 454, 480, 548, 560, 672, 681, 685, 822, 840, 908, 959, 960, 1096, 1120, 1135, 1344, 1362, 1370, 1589, 1644, 1680, 1816, 1918, 2055, 2192, 2240, 2270, 2724, 2740, 2877, 3178, 3288, 3360, 3405, 3632, 3836, 4110, 4384, 4540, 4767, 4795, 5448, 5480, 5754, 6356, 6576, 6720, 6810, 7264, 7672, 7945, 8220, 8768, 9080, 9534, 9590, 10896, 10960, 11508, 12712, 13152, 13620, 14385, 14528, 15344, 15890, 16440, 18160, 19068, 19180, 21792, 21920, 23016, 23835, 25424, 26304, 27240, 28770, 30688, 31099, 31780, 32880, 36320, 38136, 38360, 43584, 43840, 46032, 47670, 50848, 54480, 57540, 61376, 62198, 63560, 65760, 72640, 76272, 76720, 92064, 93297, 95340, 101696, 108960, 115080, 124396, 127120, 131520, 152544, 153440, 155495, 184128, 186594, 190680, 217693, 217920, 230160, 248792, 254240, 305088, 306880, 310990, 373188, 381360, 435386, 460320, 466485, 497584, 508480, 621980, 653079, 746376, 762720, 870772, 920640, 932970, 995168, 1088465, 1243960, 1306158, 1492752, 1525440, 1741544, 1865940, 1990336, 2176930, 2487920, 2612316, 2985504, 3265395, 3483088, 3731880, 4353860, 4975840, 5224632, 5971008, 6530790, 6966176, 7463760, 8707720, 9951680, 10449264, 13061580, 13932352, 14927520, 17415440, 20898528, 26123160, 29855040, 34830880, 41797056, 52246320, 69661760, 104492640, 208985280]

約数ペア:

[(1, 208985280), (2, 104492640), (3, 69661760), (4, 52246320), (5, 41797056), (6, 34830880), (7, 29855040), (8, 26123160), (10, 20898528), (12, 17415440), (14, 14927520), (15, 13932352), (16, 13061580), (20, 10449264), (21, 9951680), (24, 8707720), (28, 7463760), (30, 6966176), (32, 6530790), (35, 5971008), (40, 5224632), (42, 4975840), (48, 4353860), (56, 3731880), (60, 3483088), (64, 3265395), (70, 2985504), (80, 2612316), (84, 2487920), (96, 2176930), (105, 1990336), (112, 1865940), (120, 1741544), (137, 1525440), (140, 1492752), (160, 1306158), (168, 1243960), (192, 1088465), (210, 995168), (224, 932970), (227, 920640), (240, 870772), (274, 762720), (280, 746376), (320, 653079), (336, 621980), (411, 508480), (420, 497584), (448, 466485), (454, 460320), (480, 435386), (548, 381360), (560, 373188), (672, 310990), (681, 306880), (685, 305088), (822, 254240), (840, 248792), (908, 230160), (959, 217920), (960, 217693), (1096, 190680), (1120, 186594), (1135, 184128), (1344, 155495), (1362, 153440), (1370, 152544), (1589, 131520), (1644, 127120), (1680, 124396), (1816, 115080), (1918, 108960), (2055, 101696), (2192, 95340), (2240, 93297), (2270, 92064), (2724, 76720), (2740, 76272), (2877, 72640), (3178, 65760), (3288, 63560), (3360, 62198), (3405, 61376), (3632, 57540), (3836, 54480), (4110, 50848), (4384, 47670), (4540, 46032), (4767, 43840), (4795, 43584), (5448, 38360), (5480, 38136), (5754, 36320), (6356, 32880), (6576, 31780), (6720, 31099), (6810, 30688), (7264, 28770), (7672, 27240), (7945, 26304), (8220, 25424), (8768, 23835), (9080, 23016), (9534, 21920), (9590, 21792), (10896, 19180), (10960, 19068), (11508, 18160), (12712, 16440), (13152, 15890), (13620, 15344), (14385, 14528)]