1218405888

素因数分解:

$2^9\times 3^5\times 7^1\times {\mathrm{1399}}^1$

素因数の和:1439

約数の個数: 240

約数和(自身を含む): 4170566400

約数和(自身を除く): 2952160512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 243, 252, 256, 288, 324, 336, 378, 384, 432, 448, 486, 504, 512, 567, 576, 648, 672, 756, 768, 864, 896, 972, 1008, 1134, 1152, 1296, 1344, 1399, 1512, 1536, 1701, 1728, 1792, 1944, 2016, 2268, 2304, 2592, 2688, 2798, 3024, 3402, 3456, 3584, 3888, 4032, 4197, 4536, 4608, 5184, 5376, 5596, 6048, 6804, 6912, 7776, 8064, 8394, 9072, 9793, 10368, 10752, 11192, 12096, 12591, 13608, 13824, 15552, 16128, 16788, 18144, 19586, 20736, 22384, 24192, 25182, 27216, 29379, 31104, 32256, 33576, 36288, 37773, 39172, 41472, 44768, 48384, 50364, 54432, 58758, 62208, 67152, 72576, 75546, 78344, 88137, 89536, 96768, 100728, 108864, 113319, 117516, 124416, 134304, 145152, 151092, 156688, 176274, 179072, 201456, 217728, 226638, 235032, 264411, 268608, 290304, 302184, 313376, 339957, 352548, 358144, 402912, 435456, 453276, 470064, 528822, 537216, 604368, 626752, 679914, 705096, 716288, 793233, 805824, 870912, 906552, 940128, 1057644, 1074432, 1208736, 1253504, 1359828, 1410192, 1586466, 1611648, 1813104, 1880256, 2115288, 2148864, 2379699, 2417472, 2507008, 2719656, 2820384, 3172932, 3223296, 3626208, 3760512, 4230576, 4759398, 4834944, 5014016, 5439312, 5640768, 6345864, 6446592, 7252416, 7521024, 8461152, 9518796, 9669888, 10878624, 11281536, 12691728, 14504832, 15042048, 16922304, 19037592, 19339776, 21757248, 22563072, 25383456, 29009664, 33844608, 38075184, 43514496, 45126144, 50766912, 58019328, 67689216, 76150368, 87028992, 101533824, 135378432, 152300736, 174057984, 203067648, 304601472, 406135296, 609202944, 1218405888]

約数ペア:

[(1, 1218405888), (2, 609202944), (3, 406135296), (4, 304601472), (6, 203067648), (7, 174057984), (8, 152300736), (9, 135378432), (12, 101533824), (14, 87028992), (16, 76150368), (18, 67689216), (21, 58019328), (24, 50766912), (27, 45126144), (28, 43514496), (32, 38075184), (36, 33844608), (42, 29009664), (48, 25383456), (54, 22563072), (56, 21757248), (63, 19339776), (64, 19037592), (72, 16922304), (81, 15042048), (84, 14504832), (96, 12691728), (108, 11281536), (112, 10878624), (126, 9669888), (128, 9518796), (144, 8461152), (162, 7521024), (168, 7252416), (189, 6446592), (192, 6345864), (216, 5640768), (224, 5439312), (243, 5014016), (252, 4834944), (256, 4759398), (288, 4230576), (324, 3760512), (336, 3626208), (378, 3223296), (384, 3172932), (432, 2820384), (448, 2719656), (486, 2507008), (504, 2417472), (512, 2379699), (567, 2148864), (576, 2115288), (648, 1880256), (672, 1813104), (756, 1611648), (768, 1586466), (864, 1410192), (896, 1359828), (972, 1253504), (1008, 1208736), (1134, 1074432), (1152, 1057644), (1296, 940128), (1344, 906552), (1399, 870912), (1512, 805824), (1536, 793233), (1701, 716288), (1728, 705096), (1792, 679914), (1944, 626752), (2016, 604368), (2268, 537216), (2304, 528822), (2592, 470064), (2688, 453276), (2798, 435456), (3024, 402912), (3402, 358144), (3456, 352548), (3584, 339957), (3888, 313376), (4032, 302184), (4197, 290304), (4536, 268608), (4608, 264411), (5184, 235032), (5376, 226638), (5596, 217728), (6048, 201456), (6804, 179072), (6912, 176274), (7776, 156688), (8064, 151092), (8394, 145152), (9072, 134304), (9793, 124416), (10368, 117516), (10752, 113319), (11192, 108864), (12096, 100728), (12591, 96768), (13608, 89536), (13824, 88137), (15552, 78344), (16128, 75546), (16788, 72576), (18144, 67152), (19586, 62208), (20736, 58758), (22384, 54432), (24192, 50364), (25182, 48384), (27216, 44768), (29379, 41472), (31104, 39172), (32256, 37773), (33576, 36288)]