123711280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 386760960

約数和(自身を除く): 263049680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 133, 140, 151, 152, 154, 176, 190, 196, 209, 220, 245, 266, 280, 302, 304, 308, 380, 385, 392, 418, 440, 490, 532, 539, 560, 604, 616, 665, 755, 760, 770, 784, 836, 880, 931, 980, 1045, 1057, 1064, 1078, 1208, 1232, 1330, 1463, 1510, 1520, 1540, 1661, 1672, 1862, 1960, 2090, 2114, 2128, 2156, 2416, 2660, 2695, 2869, 2926, 3020, 3080, 3322, 3344, 3724, 3920, 4180, 4228, 4312, 4655, 5285, 5320, 5390, 5738, 5852, 6040, 6160, 6644, 7315, 7399, 7448, 8305, 8360, 8456, 8624, 9310, 10241, 10570, 10640, 10780, 11476, 11627, 11704, 12080, 13288, 14345, 14630, 14798, 14896, 16610, 16720, 16912, 18620, 20083, 20482, 21140, 21560, 22952, 23254, 23408, 26576, 28690, 29260, 29596, 31559, 33220, 36995, 37240, 40166, 40964, 42280, 43120, 45904, 46508, 51205, 57380, 58135, 58520, 59192, 63118, 66440, 73990, 74480, 80332, 81389, 81928, 84560, 93016, 100415, 102410, 114760, 116270, 117040, 118384, 126236, 132880, 140581, 147980, 157795, 160664, 162778, 163856, 186032, 200830, 204820, 220913, 229520, 232540, 252472, 281162, 295960, 315590, 321328, 325556, 401660, 406945, 409640, 441826, 465080, 504944, 562324, 591920, 631180, 651112, 702905, 803320, 813890, 819280, 883652, 930160, 1104565, 1124648, 1262360, 1302224, 1405810, 1546391, 1606640, 1627780, 1767304, 2209130, 2249296, 2524720, 2811620, 3092782, 3255560, 3534608, 4418260, 5623240, 6185564, 6511120, 7731955, 8836520, 11246480, 12371128, 15463910, 17673040, 24742256, 30927820, 61855640, 123711280]

約数ペア:

[(1, 123711280), (2, 61855640), (4, 30927820), (5, 24742256), (7, 17673040), (8, 15463910), (10, 12371128), (11, 11246480), (14, 8836520), (16, 7731955), (19, 6511120), (20, 6185564), (22, 5623240), (28, 4418260), (35, 3534608), (38, 3255560), (40, 3092782), (44, 2811620), (49, 2524720), (55, 2249296), (56, 2209130), (70, 1767304), (76, 1627780), (77, 1606640), (80, 1546391), (88, 1405810), (95, 1302224), (98, 1262360), (110, 1124648), (112, 1104565), (133, 930160), (140, 883652), (151, 819280), (152, 813890), (154, 803320), (176, 702905), (190, 651112), (196, 631180), (209, 591920), (220, 562324), (245, 504944), (266, 465080), (280, 441826), (302, 409640), (304, 406945), (308, 401660), (380, 325556), (385, 321328), (392, 315590), (418, 295960), (440, 281162), (490, 252472), (532, 232540), (539, 229520), (560, 220913), (604, 204820), (616, 200830), (665, 186032), (755, 163856), (760, 162778), (770, 160664), (784, 157795), (836, 147980), (880, 140581), (931, 132880), (980, 126236), (1045, 118384), (1057, 117040), (1064, 116270), (1078, 114760), (1208, 102410), (1232, 100415), (1330, 93016), (1463, 84560), (1510, 81928), (1520, 81389), (1540, 80332), (1661, 74480), (1672, 73990), (1862, 66440), (1960, 63118), (2090, 59192), (2114, 58520), (2128, 58135), (2156, 57380), (2416, 51205), (2660, 46508), (2695, 45904), (2869, 43120), (2926, 42280), (3020, 40964), (3080, 40166), (3322, 37240), (3344, 36995), (3724, 33220), (3920, 31559), (4180, 29596), (4228, 29260), (4312, 28690), (4655, 26576), (5285, 23408), (5320, 23254), (5390, 22952), (5738, 21560), (5852, 21140), (6040, 20482), (6160, 20083), (6644, 18620), (7315, 16912), (7399, 16720), (7448, 16610), (8305, 14896), (8360, 14798), (8456, 14630), (8624, 14345), (9310, 13288), (10241, 12080), (10570, 11704), (10640, 11627), (10780, 11476)]