81795840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 317882880

約数和(自身を除く): 236087040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 179, 192, 204, 210, 224, 238, 240, 255, 256, 272, 280, 320, 336, 340, 357, 358, 384, 408, 420, 448, 476, 480, 510, 537, 544, 560, 595, 640, 672, 680, 714, 716, 768, 816, 840, 895, 896, 952, 960, 1020, 1074, 1088, 1120, 1190, 1253, 1280, 1344, 1360, 1428, 1432, 1632, 1680, 1785, 1790, 1792, 1904, 1920, 2040, 2148, 2176, 2240, 2380, 2506, 2685, 2688, 2720, 2856, 2864, 3043, 3264, 3360, 3570, 3580, 3759, 3808, 3840, 4080, 4296, 4352, 4480, 4760, 5012, 5370, 5376, 5440, 5712, 5728, 6086, 6265, 6528, 6720, 7140, 7160, 7518, 7616, 8160, 8592, 8960, 9129, 9520, 10024, 10740, 10880, 11424, 11456, 12172, 12530, 13056, 13440, 14280, 14320, 15036, 15215, 15232, 16320, 17184, 18258, 18795, 19040, 20048, 21301, 21480, 21760, 22848, 22912, 24344, 25060, 26880, 28560, 28640, 30072, 30430, 30464, 32640, 34368, 36516, 37590, 38080, 40096, 42602, 42960, 45645, 45696, 45824, 48688, 50120, 57120, 57280, 60144, 60860, 63903, 65280, 68736, 73032, 75180, 76160, 80192, 85204, 85920, 91290, 91392, 97376, 100240, 106505, 114240, 114560, 120288, 121720, 127806, 137472, 146064, 150360, 152320, 160384, 170408, 171840, 182580, 194752, 200480, 213010, 228480, 229120, 240576, 243440, 255612, 292128, 300720, 319515, 320768, 340816, 343680, 365160, 389504, 400960, 426020, 456960, 481152, 486880, 511224, 584256, 601440, 639030, 681632, 687360, 730320, 779008, 801920, 852040, 962304, 973760, 1022448, 1168512, 1202880, 1278060, 1363264, 1460640, 1603840, 1704080, 1947520, 2044896, 2337024, 2405760, 2556120, 2726528, 2921280, 3408160, 3895040, 4089792, 4811520, 5112240, 5453056, 5842560, 6816320, 8179584, 10224480, 11685120, 13632640, 16359168, 20448960, 27265280, 40897920, 81795840]

約数ペア:

[(1, 81795840), (2, 40897920), (3, 27265280), (4, 20448960), (5, 16359168), (6, 13632640), (7, 11685120), (8, 10224480), (10, 8179584), (12, 6816320), (14, 5842560), (15, 5453056), (16, 5112240), (17, 4811520), (20, 4089792), (21, 3895040), (24, 3408160), (28, 2921280), (30, 2726528), (32, 2556120), (34, 2405760), (35, 2337024), (40, 2044896), (42, 1947520), (48, 1704080), (51, 1603840), (56, 1460640), (60, 1363264), (64, 1278060), (68, 1202880), (70, 1168512), (80, 1022448), (84, 973760), (85, 962304), (96, 852040), (102, 801920), (105, 779008), (112, 730320), (119, 687360), (120, 681632), (128, 639030), (136, 601440), (140, 584256), (160, 511224), (168, 486880), (170, 481152), (179, 456960), (192, 426020), (204, 400960), (210, 389504), (224, 365160), (238, 343680), (240, 340816), (255, 320768), (256, 319515), (272, 300720), (280, 292128), (320, 255612), (336, 243440), (340, 240576), (357, 229120), (358, 228480), (384, 213010), (408, 200480), (420, 194752), (448, 182580), (476, 171840), (480, 170408), (510, 160384), (537, 152320), (544, 150360), (560, 146064), (595, 137472), (640, 127806), (672, 121720), (680, 120288), (714, 114560), (716, 114240), (768, 106505), (816, 100240), (840, 97376), (895, 91392), (896, 91290), (952, 85920), (960, 85204), (1020, 80192), (1074, 76160), (1088, 75180), (1120, 73032), (1190, 68736), (1253, 65280), (1280, 63903), (1344, 60860), (1360, 60144), (1428, 57280), (1432, 57120), (1632, 50120), (1680, 48688), (1785, 45824), (1790, 45696), (1792, 45645), (1904, 42960), (1920, 42602), (2040, 40096), (2148, 38080), (2176, 37590), (2240, 36516), (2380, 34368), (2506, 32640), (2685, 30464), (2688, 30430), (2720, 30072), (2856, 28640), (2864, 28560), (3043, 26880), (3264, 25060), (3360, 24344), (3570, 22912), (3580, 22848), (3759, 21760), (3808, 21480), (3840, 21301), (4080, 20048), (4296, 19040), (4352, 18795), (4480, 18258), (4760, 17184), (5012, 16320), (5370, 15232), (5376, 15215), (5440, 15036), (5712, 14320), (5728, 14280), (6086, 13440), (6265, 13056), (6528, 12530), (6720, 12172), (7140, 11456), (7160, 11424), (7518, 10880), (7616, 10740), (8160, 10024), (8592, 9520), (8960, 9129)]