2195857840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 5998678560

約数和(自身を除く): 3802820720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 53, 55, 80, 88, 89, 92, 106, 110, 115, 176, 178, 184, 212, 220, 230, 253, 265, 356, 368, 424, 440, 445, 460, 506, 529, 530, 583, 712, 848, 880, 890, 920, 979, 1012, 1058, 1060, 1166, 1219, 1265, 1424, 1780, 1840, 1958, 2024, 2047, 2116, 2120, 2332, 2438, 2530, 2645, 2915, 3560, 3916, 4048, 4094, 4232, 4240, 4664, 4717, 4876, 4895, 5060, 5290, 5819, 5830, 6095, 7120, 7832, 8188, 8464, 9328, 9434, 9752, 9790, 10120, 10235, 10580, 11638, 11660, 12190, 13409, 15664, 16376, 18868, 19504, 19580, 20240, 20470, 21160, 22517, 23276, 23320, 23585, 24380, 26818, 28037, 29095, 32752, 37736, 39160, 40940, 42320, 45034, 46552, 46640, 47081, 47170, 48760, 51887, 53636, 56074, 58190, 67045, 75472, 78320, 81880, 90068, 93104, 94162, 94340, 97520, 103774, 107272, 108491, 112148, 112585, 116380, 134090, 140185, 163760, 180136, 188324, 188680, 207548, 214544, 216982, 224296, 225170, 232760, 235405, 259435, 268180, 280370, 308407, 360272, 376648, 377360, 415096, 433964, 448592, 450340, 465520, 470810, 517891, 518870, 536360, 542455, 560740, 616814, 753296, 830192, 867928, 900680, 941620, 1035782, 1037740, 1072720, 1084910, 1121480, 1193401, 1233628, 1542035, 1735856, 1801360, 1883240, 2071564, 2075480, 2169820, 2242960, 2386802, 2467256, 2495293, 2589455, 3084070, 3766480, 4143128, 4150960, 4339640, 4773604, 4934512, 4990586, 5178910, 5967005, 6168140, 8286256, 8679280, 9547208, 9981172, 10357820, 11934010, 12336280, 12476465, 19094416, 19962344, 20715640, 23868020, 24672560, 24952930, 27448223, 39924688, 41431280, 47736040, 49905860, 54896446, 95472080, 99811720, 109792892, 137241115, 199623440, 219585784, 274482230, 439171568, 548964460, 1097928920, 2195857840]

約数ペア:

[(1, 2195857840), (2, 1097928920), (4, 548964460), (5, 439171568), (8, 274482230), (10, 219585784), (11, 199623440), (16, 137241115), (20, 109792892), (22, 99811720), (23, 95472080), (40, 54896446), (44, 49905860), (46, 47736040), (53, 41431280), (55, 39924688), (80, 27448223), (88, 24952930), (89, 24672560), (92, 23868020), (106, 20715640), (110, 19962344), (115, 19094416), (176, 12476465), (178, 12336280), (184, 11934010), (212, 10357820), (220, 9981172), (230, 9547208), (253, 8679280), (265, 8286256), (356, 6168140), (368, 5967005), (424, 5178910), (440, 4990586), (445, 4934512), (460, 4773604), (506, 4339640), (529, 4150960), (530, 4143128), (583, 3766480), (712, 3084070), (848, 2589455), (880, 2495293), (890, 2467256), (920, 2386802), (979, 2242960), (1012, 2169820), (1058, 2075480), (1060, 2071564), (1166, 1883240), (1219, 1801360), (1265, 1735856), (1424, 1542035), (1780, 1233628), (1840, 1193401), (1958, 1121480), (2024, 1084910), (2047, 1072720), (2116, 1037740), (2120, 1035782), (2332, 941620), (2438, 900680), (2530, 867928), (2645, 830192), (2915, 753296), (3560, 616814), (3916, 560740), (4048, 542455), (4094, 536360), (4232, 518870), (4240, 517891), (4664, 470810), (4717, 465520), (4876, 450340), (4895, 448592), (5060, 433964), (5290, 415096), (5819, 377360), (5830, 376648), (6095, 360272), (7120, 308407), (7832, 280370), (8188, 268180), (8464, 259435), (9328, 235405), (9434, 232760), (9752, 225170), (9790, 224296), (10120, 216982), (10235, 214544), (10580, 207548), (11638, 188680), (11660, 188324), (12190, 180136), (13409, 163760), (15664, 140185), (16376, 134090), (18868, 116380), (19504, 112585), (19580, 112148), (20240, 108491), (20470, 107272), (21160, 103774), (22517, 97520), (23276, 94340), (23320, 94162), (23585, 93104), (24380, 90068), (26818, 81880), (28037, 78320), (29095, 75472), (32752, 67045), (37736, 58190), (39160, 56074), (40940, 53636), (42320, 51887), (45034, 48760), (46552, 47170), (46640, 47081)]