640138752

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 240

約数和(自身を含む): 2054855088

約数和(自身を除く): 1414716336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 73, 88, 96, 99, 128, 132, 144, 146, 173, 176, 192, 198, 219, 256, 264, 288, 292, 346, 352, 384, 396, 438, 512, 519, 528, 576, 584, 657, 692, 704, 768, 792, 803, 876, 1038, 1056, 1152, 1168, 1314, 1384, 1408, 1536, 1557, 1584, 1606, 1752, 1903, 2076, 2112, 2304, 2336, 2409, 2628, 2768, 2816, 3114, 3168, 3212, 3504, 3806, 4152, 4224, 4608, 4672, 4818, 5256, 5536, 5632, 5709, 6228, 6336, 6424, 7008, 7227, 7612, 8304, 8448, 9344, 9636, 10512, 11072, 11418, 12456, 12629, 12672, 12848, 14016, 14454, 15224, 16608, 16896, 17127, 18688, 19272, 21024, 22144, 22836, 24912, 25258, 25344, 25696, 28032, 28908, 30448, 33216, 34254, 37376, 37887, 38544, 42048, 44288, 45672, 49824, 50516, 50688, 51392, 56064, 57816, 60896, 66432, 68508, 75774, 77088, 84096, 88576, 91344, 99648, 101032, 102784, 112128, 113661, 115632, 121792, 132864, 137016, 138919, 151548, 154176, 168192, 182688, 199296, 202064, 205568, 227322, 231264, 243584, 265728, 274032, 277838, 303096, 308352, 336384, 365376, 398592, 404128, 411136, 416757, 454644, 462528, 487168, 548064, 555676, 606192, 616704, 730752, 797184, 808256, 833514, 909288, 925056, 974336, 1096128, 1111352, 1212384, 1233408, 1250271, 1461504, 1616512, 1667028, 1818576, 1850112, 2192256, 2222704, 2424768, 2500542, 2923008, 3233024, 3334056, 3637152, 3700224, 4384512, 4445408, 4849536, 5001084, 6466048, 6668112, 7274304, 8769024, 8890816, 9699072, 10002168, 13336224, 14548608, 17781632, 19398144, 20004336, 26672448, 29097216, 35563264, 40008672, 53344896, 58194432, 71126528, 80017344, 106689792, 160034688, 213379584, 320069376, 640138752]

約数ペア:

[(1, 640138752), (2, 320069376), (3, 213379584), (4, 160034688), (6, 106689792), (8, 80017344), (9, 71126528), (11, 58194432), (12, 53344896), (16, 40008672), (18, 35563264), (22, 29097216), (24, 26672448), (32, 20004336), (33, 19398144), (36, 17781632), (44, 14548608), (48, 13336224), (64, 10002168), (66, 9699072), (72, 8890816), (73, 8769024), (88, 7274304), (96, 6668112), (99, 6466048), (128, 5001084), (132, 4849536), (144, 4445408), (146, 4384512), (173, 3700224), (176, 3637152), (192, 3334056), (198, 3233024), (219, 2923008), (256, 2500542), (264, 2424768), (288, 2222704), (292, 2192256), (346, 1850112), (352, 1818576), (384, 1667028), (396, 1616512), (438, 1461504), (512, 1250271), (519, 1233408), (528, 1212384), (576, 1111352), (584, 1096128), (657, 974336), (692, 925056), (704, 909288), (768, 833514), (792, 808256), (803, 797184), (876, 730752), (1038, 616704), (1056, 606192), (1152, 555676), (1168, 548064), (1314, 487168), (1384, 462528), (1408, 454644), (1536, 416757), (1557, 411136), (1584, 404128), (1606, 398592), (1752, 365376), (1903, 336384), (2076, 308352), (2112, 303096), (2304, 277838), (2336, 274032), (2409, 265728), (2628, 243584), (2768, 231264), (2816, 227322), (3114, 205568), (3168, 202064), (3212, 199296), (3504, 182688), (3806, 168192), (4152, 154176), (4224, 151548), (4608, 138919), (4672, 137016), (4818, 132864), (5256, 121792), (5536, 115632), (5632, 113661), (5709, 112128), (6228, 102784), (6336, 101032), (6424, 99648), (7008, 91344), (7227, 88576), (7612, 84096), (8304, 77088), (8448, 75774), (9344, 68508), (9636, 66432), (10512, 60896), (11072, 57816), (11418, 56064), (12456, 51392), (12629, 50688), (12672, 50516), (12848, 49824), (14016, 45672), (14454, 44288), (15224, 42048), (16608, 38544), (16896, 37887), (17127, 37376), (18688, 34254), (19272, 33216), (21024, 30448), (22144, 28908), (22836, 28032), (24912, 25696), (25258, 25344)]