28436520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 98784000

約数和(自身を除く): 70347480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 349, 388, 420, 485, 582, 679, 698, 776, 840, 970, 1047, 1164, 1358, 1396, 1455, 1745, 1940, 2037, 2094, 2328, 2443, 2716, 2792, 2910, 3395, 3490, 3880, 4074, 4188, 4886, 5235, 5432, 5820, 6790, 6980, 7329, 8148, 8376, 9772, 10185, 10470, 11640, 12215, 13580, 13960, 14658, 16296, 19544, 20370, 20940, 24430, 27160, 29316, 33853, 36645, 40740, 41880, 48860, 58632, 67706, 73290, 81480, 97720, 101559, 135412, 146580, 169265, 203118, 236971, 270824, 293160, 338530, 406236, 473942, 507795, 677060, 710913, 812472, 947884, 1015590, 1184855, 1354120, 1421826, 1895768, 2031180, 2369710, 2843652, 3554565, 4062360, 4739420, 5687304, 7109130, 9478840, 14218260, 28436520]

約数ペア:

[(1, 28436520), (2, 14218260), (3, 9478840), (4, 7109130), (5, 5687304), (6, 4739420), (7, 4062360), (8, 3554565), (10, 2843652), (12, 2369710), (14, 2031180), (15, 1895768), (20, 1421826), (21, 1354120), (24, 1184855), (28, 1015590), (30, 947884), (35, 812472), (40, 710913), (42, 677060), (56, 507795), (60, 473942), (70, 406236), (84, 338530), (97, 293160), (105, 270824), (120, 236971), (140, 203118), (168, 169265), (194, 146580), (210, 135412), (280, 101559), (291, 97720), (349, 81480), (388, 73290), (420, 67706), (485, 58632), (582, 48860), (679, 41880), (698, 40740), (776, 36645), (840, 33853), (970, 29316), (1047, 27160), (1164, 24430), (1358, 20940), (1396, 20370), (1455, 19544), (1745, 16296), (1940, 14658), (2037, 13960), (2094, 13580), (2328, 12215), (2443, 11640), (2716, 10470), (2792, 10185), (2910, 9772), (3395, 8376), (3490, 8148), (3880, 7329), (4074, 6980), (4188, 6790), (4886, 5820), (5235, 5432)]