638604288

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 264

約数和(自身を含む): 2222550720

約数和(自身を除く): 1583946432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 128, 133, 144, 152, 168, 171, 192, 224, 228, 252, 256, 266, 288, 304, 336, 342, 384, 399, 448, 456, 504, 512, 521, 532, 576, 608, 672, 684, 768, 798, 896, 912, 1008, 1024, 1042, 1064, 1152, 1197, 1216, 1344, 1368, 1536, 1563, 1596, 1792, 1824, 2016, 2084, 2128, 2304, 2394, 2432, 2688, 2736, 3072, 3126, 3192, 3584, 3647, 3648, 4032, 4168, 4256, 4608, 4689, 4788, 4864, 5376, 5472, 6252, 6384, 7168, 7294, 7296, 8064, 8336, 8512, 9216, 9378, 9576, 9728, 9899, 10752, 10941, 10944, 12504, 12768, 14588, 14592, 16128, 16672, 17024, 18756, 19152, 19456, 19798, 21504, 21882, 21888, 25008, 25536, 29176, 29184, 29697, 32256, 32823, 33344, 34048, 37512, 38304, 39596, 43764, 43776, 50016, 51072, 58352, 58368, 59394, 64512, 65646, 66688, 68096, 69293, 75024, 76608, 79192, 87528, 87552, 89091, 100032, 102144, 116704, 118788, 131292, 133376, 136192, 138586, 150048, 153216, 158384, 175056, 175104, 178182, 200064, 204288, 207879, 233408, 237576, 262584, 266752, 277172, 300096, 306432, 316768, 350112, 356364, 400128, 408576, 415758, 466816, 475152, 525168, 533504, 554344, 600192, 612864, 623637, 633536, 700224, 712728, 800256, 831516, 933632, 950304, 1050336, 1108688, 1200384, 1225728, 1247274, 1267072, 1400448, 1425456, 1600512, 1663032, 1867264, 1900608, 2100672, 2217376, 2400768, 2494548, 2534144, 2800896, 2850912, 3326064, 3734528, 3801216, 4201344, 4434752, 4801536, 4989096, 5068288, 5601792, 5701824, 6652128, 7602432, 8402688, 8869504, 9978192, 10136576, 11203584, 11403648, 13304256, 15204864, 16805376, 17739008, 19956384, 22807296, 26608512, 30409728, 33610752, 35478016, 39912768, 45614592, 53217024, 70956032, 79825536, 91229184, 106434048, 159651072, 212868096, 319302144, 638604288]

約数ペア:

[(1, 638604288), (2, 319302144), (3, 212868096), (4, 159651072), (6, 106434048), (7, 91229184), (8, 79825536), (9, 70956032), (12, 53217024), (14, 45614592), (16, 39912768), (18, 35478016), (19, 33610752), (21, 30409728), (24, 26608512), (28, 22807296), (32, 19956384), (36, 17739008), (38, 16805376), (42, 15204864), (48, 13304256), (56, 11403648), (57, 11203584), (63, 10136576), (64, 9978192), (72, 8869504), (76, 8402688), (84, 7602432), (96, 6652128), (112, 5701824), (114, 5601792), (126, 5068288), (128, 4989096), (133, 4801536), (144, 4434752), (152, 4201344), (168, 3801216), (171, 3734528), (192, 3326064), (224, 2850912), (228, 2800896), (252, 2534144), (256, 2494548), (266, 2400768), (288, 2217376), (304, 2100672), (336, 1900608), (342, 1867264), (384, 1663032), (399, 1600512), (448, 1425456), (456, 1400448), (504, 1267072), (512, 1247274), (521, 1225728), (532, 1200384), (576, 1108688), (608, 1050336), (672, 950304), (684, 933632), (768, 831516), (798, 800256), (896, 712728), (912, 700224), (1008, 633536), (1024, 623637), (1042, 612864), (1064, 600192), (1152, 554344), (1197, 533504), (1216, 525168), (1344, 475152), (1368, 466816), (1536, 415758), (1563, 408576), (1596, 400128), (1792, 356364), (1824, 350112), (2016, 316768), (2084, 306432), (2128, 300096), (2304, 277172), (2394, 266752), (2432, 262584), (2688, 237576), (2736, 233408), (3072, 207879), (3126, 204288), (3192, 200064), (3584, 178182), (3647, 175104), (3648, 175056), (4032, 158384), (4168, 153216), (4256, 150048), (4608, 138586), (4689, 136192), (4788, 133376), (4864, 131292), (5376, 118788), (5472, 116704), (6252, 102144), (6384, 100032), (7168, 89091), (7294, 87552), (7296, 87528), (8064, 79192), (8336, 76608), (8512, 75024), (9216, 69293), (9378, 68096), (9576, 66688), (9728, 65646), (9899, 64512), (10752, 59394), (10941, 58368), (10944, 58352), (12504, 51072), (12768, 50016), (14588, 43776), (14592, 43764), (16128, 39596), (16672, 38304), (17024, 37512), (18756, 34048), (19152, 33344), (19456, 32823), (19798, 32256), (21504, 29697), (21882, 29184), (21888, 29176), (25008, 25536)]