491850240

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{1307}}^1$

素因数の和:1347

約数の個数: 240

約数和(自身を含む): 1830498912

約数和(自身を除く): 1338648672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1307, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2560, 2614, 2688, 2940, 3136, 3360, 3584, 3840, 3920, 3921, 4480, 4704, 5228, 5376, 5880, 6272, 6535, 6720, 7680, 7840, 7842, 8960, 9149, 9408, 10456, 10752, 11760, 12544, 13070, 13440, 15680, 15684, 17920, 18298, 18816, 19605, 20912, 23520, 25088, 26140, 26880, 27447, 31360, 31368, 36596, 37632, 39210, 41824, 45745, 47040, 52280, 53760, 54894, 62720, 62736, 64043, 73192, 75264, 78420, 83648, 91490, 94080, 104560, 109788, 125440, 125472, 128086, 137235, 146384, 156840, 167296, 182980, 188160, 192129, 209120, 219576, 250944, 256172, 274470, 292768, 313680, 320215, 334592, 365960, 376320, 384258, 418240, 439152, 501888, 512344, 548940, 585536, 627360, 640430, 669184, 731920, 768516, 836480, 878304, 960645, 1003776, 1024688, 1097880, 1171072, 1254720, 1280860, 1463840, 1537032, 1672960, 1756608, 1921290, 2007552, 2049376, 2195760, 2342144, 2509440, 2561720, 2927680, 3074064, 3345920, 3513216, 3842580, 4098752, 4391520, 4684288, 5018880, 5123440, 5855360, 6148128, 7026432, 7685160, 8197504, 8783040, 10037760, 10246880, 11710720, 12296256, 14052864, 15370320, 16395008, 17566080, 20493760, 23421440, 24592512, 30740640, 32790016, 35132160, 40987520, 49185024, 61481280, 70264320, 81975040, 98370048, 122962560, 163950080, 245925120, 491850240]

約数ペア:

[(1, 491850240), (2, 245925120), (3, 163950080), (4, 122962560), (5, 98370048), (6, 81975040), (7, 70264320), (8, 61481280), (10, 49185024), (12, 40987520), (14, 35132160), (15, 32790016), (16, 30740640), (20, 24592512), (21, 23421440), (24, 20493760), (28, 17566080), (30, 16395008), (32, 15370320), (35, 14052864), (40, 12296256), (42, 11710720), (48, 10246880), (49, 10037760), (56, 8783040), (60, 8197504), (64, 7685160), (70, 7026432), (80, 6148128), (84, 5855360), (96, 5123440), (98, 5018880), (105, 4684288), (112, 4391520), (120, 4098752), (128, 3842580), (140, 3513216), (147, 3345920), (160, 3074064), (168, 2927680), (192, 2561720), (196, 2509440), (210, 2342144), (224, 2195760), (240, 2049376), (245, 2007552), (256, 1921290), (280, 1756608), (294, 1672960), (320, 1537032), (336, 1463840), (384, 1280860), (392, 1254720), (420, 1171072), (448, 1097880), (480, 1024688), (490, 1003776), (512, 960645), (560, 878304), (588, 836480), (640, 768516), (672, 731920), (735, 669184), (768, 640430), (784, 627360), (840, 585536), (896, 548940), (960, 512344), (980, 501888), (1120, 439152), (1176, 418240), (1280, 384258), (1307, 376320), (1344, 365960), (1470, 334592), (1536, 320215), (1568, 313680), (1680, 292768), (1792, 274470), (1920, 256172), (1960, 250944), (2240, 219576), (2352, 209120), (2560, 192129), (2614, 188160), (2688, 182980), (2940, 167296), (3136, 156840), (3360, 146384), (3584, 137235), (3840, 128086), (3920, 125472), (3921, 125440), (4480, 109788), (4704, 104560), (5228, 94080), (5376, 91490), (5880, 83648), (6272, 78420), (6535, 75264), (6720, 73192), (7680, 64043), (7840, 62736), (7842, 62720), (8960, 54894), (9149, 53760), (9408, 52280), (10456, 47040), (10752, 45745), (11760, 41824), (12544, 39210), (13070, 37632), (13440, 36596), (15680, 31368), (15684, 31360), (17920, 27447), (18298, 26880), (18816, 26140), (19605, 25088), (20912, 23520)]