123957120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 256

約数和(自身を含む): 472366080

約数和(自身を除く): 348408960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 401, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 802, 805, 840, 896, 920, 960, 966, 1104, 1120, 1203, 1288, 1344, 1380, 1472, 1604, 1610, 1680, 1840, 1920, 1932, 2005, 2208, 2240, 2406, 2415, 2576, 2688, 2760, 2807, 2944, 3208, 3220, 3360, 3680, 3864, 4010, 4416, 4480, 4812, 4830, 5152, 5520, 5614, 6015, 6416, 6440, 6720, 7360, 7728, 8020, 8421, 8832, 9223, 9624, 9660, 10304, 11040, 11228, 12030, 12832, 12880, 13440, 14035, 14720, 15456, 16040, 16842, 18446, 19248, 19320, 20608, 22080, 22456, 24060, 25664, 25760, 27669, 28070, 30912, 32080, 33684, 36892, 38496, 38640, 42105, 44160, 44912, 46115, 48120, 51328, 51520, 55338, 56140, 61824, 64160, 64561, 67368, 73784, 76992, 77280, 84210, 89824, 92230, 96240, 103040, 110676, 112280, 128320, 129122, 134736, 138345, 147568, 153984, 154560, 168420, 179648, 184460, 192480, 193683, 221352, 224560, 256640, 258244, 269472, 276690, 295136, 309120, 322805, 336840, 359296, 368920, 384960, 387366, 442704, 449120, 516488, 538944, 553380, 590272, 645610, 673680, 737840, 769920, 774732, 885408, 898240, 968415, 1032976, 1077888, 1106760, 1180544, 1291220, 1347360, 1475680, 1549464, 1770816, 1796480, 1936830, 2065952, 2213520, 2582440, 2694720, 2951360, 3098928, 3541632, 3873660, 4131904, 4427040, 5164880, 5389440, 5902720, 6197856, 7747320, 8263808, 8854080, 10329760, 12395712, 15494640, 17708160, 20659520, 24791424, 30989280, 41319040, 61978560, 123957120]

約数ペア:

[(1, 123957120), (2, 61978560), (3, 41319040), (4, 30989280), (5, 24791424), (6, 20659520), (7, 17708160), (8, 15494640), (10, 12395712), (12, 10329760), (14, 8854080), (15, 8263808), (16, 7747320), (20, 6197856), (21, 5902720), (23, 5389440), (24, 5164880), (28, 4427040), (30, 4131904), (32, 3873660), (35, 3541632), (40, 3098928), (42, 2951360), (46, 2694720), (48, 2582440), (56, 2213520), (60, 2065952), (64, 1936830), (69, 1796480), (70, 1770816), (80, 1549464), (84, 1475680), (92, 1347360), (96, 1291220), (105, 1180544), (112, 1106760), (115, 1077888), (120, 1032976), (128, 968415), (138, 898240), (140, 885408), (160, 774732), (161, 769920), (168, 737840), (184, 673680), (192, 645610), (210, 590272), (224, 553380), (230, 538944), (240, 516488), (276, 449120), (280, 442704), (320, 387366), (322, 384960), (336, 368920), (345, 359296), (368, 336840), (384, 322805), (401, 309120), (420, 295136), (448, 276690), (460, 269472), (480, 258244), (483, 256640), (552, 224560), (560, 221352), (640, 193683), (644, 192480), (672, 184460), (690, 179648), (736, 168420), (802, 154560), (805, 153984), (840, 147568), (896, 138345), (920, 134736), (960, 129122), (966, 128320), (1104, 112280), (1120, 110676), (1203, 103040), (1288, 96240), (1344, 92230), (1380, 89824), (1472, 84210), (1604, 77280), (1610, 76992), (1680, 73784), (1840, 67368), (1920, 64561), (1932, 64160), (2005, 61824), (2208, 56140), (2240, 55338), (2406, 51520), (2415, 51328), (2576, 48120), (2688, 46115), (2760, 44912), (2807, 44160), (2944, 42105), (3208, 38640), (3220, 38496), (3360, 36892), (3680, 33684), (3864, 32080), (4010, 30912), (4416, 28070), (4480, 27669), (4812, 25760), (4830, 25664), (5152, 24060), (5520, 22456), (5614, 22080), (6015, 20608), (6416, 19320), (6440, 19248), (6720, 18446), (7360, 16842), (7728, 16040), (8020, 15456), (8421, 14720), (8832, 14035), (9223, 13440), (9624, 12880), (9660, 12832), (10304, 12030), (11040, 11228)]