171911520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10853}}^1$

素因数の和:10885

約数の個数: 144

約数和(自身を含む): 640038672

約数和(自身を除く): 468127152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 10853, 15840, 21706, 32559, 43412, 54265, 65118, 86824, 97677, 108530, 119383, 130236, 162795, 173648, 195354, 217060, 238766, 260472, 325590, 347296, 358149, 390708, 434120, 477532, 488385, 520944, 596915, 651180, 716298, 781416, 868240, 955064, 976770, 1041888, 1074447, 1193830, 1302360, 1432596, 1562832, 1736480, 1790745, 1910128, 1953540, 2148894, 2387660, 2604720, 2865192, 3125664, 3581490, 3820256, 3907080, 4297788, 4775320, 5209440, 5372235, 5730384, 7162980, 7814160, 8595576, 9550640, 10744470, 11460768, 14325960, 15628320, 17191152, 19101280, 21488940, 28651920, 34382304, 42977880, 57303840, 85955760, 171911520]

約数ペア:

[(1, 171911520), (2, 85955760), (3, 57303840), (4, 42977880), (5, 34382304), (6, 28651920), (8, 21488940), (9, 19101280), (10, 17191152), (11, 15628320), (12, 14325960), (15, 11460768), (16, 10744470), (18, 9550640), (20, 8595576), (22, 7814160), (24, 7162980), (30, 5730384), (32, 5372235), (33, 5209440), (36, 4775320), (40, 4297788), (44, 3907080), (45, 3820256), (48, 3581490), (55, 3125664), (60, 2865192), (66, 2604720), (72, 2387660), (80, 2148894), (88, 1953540), (90, 1910128), (96, 1790745), (99, 1736480), (110, 1562832), (120, 1432596), (132, 1302360), (144, 1193830), (160, 1074447), (165, 1041888), (176, 976770), (180, 955064), (198, 868240), (220, 781416), (240, 716298), (264, 651180), (288, 596915), (330, 520944), (352, 488385), (360, 477532), (396, 434120), (440, 390708), (480, 358149), (495, 347296), (528, 325590), (660, 260472), (720, 238766), (792, 217060), (880, 195354), (990, 173648), (1056, 162795), (1320, 130236), (1440, 119383), (1584, 108530), (1760, 97677), (1980, 86824), (2640, 65118), (3168, 54265), (3960, 43412), (5280, 32559), (7920, 21706), (10853, 15840)]