20789968640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1407

約数の個数: 288

約数和(自身を含む): 60185825280

約数和(自身を除く): 39395856640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 79, 80, 92, 112, 115, 128, 140, 158, 160, 161, 184, 224, 230, 256, 280, 316, 320, 322, 368, 395, 448, 460, 553, 560, 632, 640, 644, 736, 790, 805, 896, 920, 1106, 1120, 1264, 1277, 1280, 1288, 1472, 1580, 1610, 1792, 1817, 1840, 2212, 2240, 2528, 2554, 2576, 2765, 2944, 3160, 3220, 3634, 3680, 4424, 4480, 5056, 5108, 5152, 5530, 5888, 6320, 6385, 6440, 7268, 7360, 8848, 8939, 8960, 9085, 10112, 10216, 10304, 11060, 12640, 12719, 12770, 12880, 14536, 14720, 17696, 17878, 18170, 20224, 20432, 20608, 22120, 25280, 25438, 25540, 25760, 29072, 29371, 29440, 35392, 35756, 36340, 40864, 41216, 44240, 44695, 50560, 50876, 51080, 51520, 58144, 58742, 63595, 70784, 71512, 72680, 81728, 88480, 89390, 100883, 101120, 101752, 102160, 103040, 116288, 117484, 127190, 141568, 143024, 145360, 146855, 163456, 176960, 178780, 201766, 203504, 204320, 205597, 206080, 232576, 234968, 254380, 286048, 290720, 293710, 326912, 353920, 357560, 403532, 407008, 408640, 411194, 465152, 469936, 504415, 508760, 572096, 581440, 587420, 706181, 707840, 715120, 807064, 814016, 817280, 822388, 939872, 1008830, 1017520, 1027985, 1144192, 1162880, 1174840, 1412362, 1430240, 1614128, 1628032, 1634560, 1644776, 1879744, 2017660, 2035040, 2055970, 2288384, 2320309, 2325760, 2349680, 2824724, 2860480, 3228256, 3256064, 3289552, 3530905, 3759488, 4035320, 4070080, 4111940, 4640618, 4699360, 5649448, 5720960, 6456512, 6579104, 7061810, 7518976, 8070640, 8140160, 8223880, 9281236, 9398720, 11298896, 11441920, 11601545, 12913024, 13158208, 14123620, 16141280, 16242163, 16280320, 16447760, 18562472, 18797440, 22597792, 23203090, 25826048, 26316416, 28247240, 32282560, 32484326, 32895520, 37124944, 37594880, 45195584, 46406180, 52632832, 56494480, 64565120, 64968652, 65791040, 74249888, 81210815, 90391168, 92812360, 112988960, 129130240, 129937304, 131582080, 148499776, 162421630, 180782336, 185624720, 225977920, 259874608, 263164160, 296999552, 324843260, 371249440, 451955840, 519749216, 593999104, 649686520, 742498880, 903911680, 1039498432, 1299373040, 1484997760, 2078996864, 2598746080, 2969995520, 4157993728, 5197492160, 10394984320, 20789968640]

約数ペア:

[(1, 20789968640), (2, 10394984320), (4, 5197492160), (5, 4157993728), (7, 2969995520), (8, 2598746080), (10, 2078996864), (14, 1484997760), (16, 1299373040), (20, 1039498432), (23, 903911680), (28, 742498880), (32, 649686520), (35, 593999104), (40, 519749216), (46, 451955840), (56, 371249440), (64, 324843260), (70, 296999552), (79, 263164160), (80, 259874608), (92, 225977920), (112, 185624720), (115, 180782336), (128, 162421630), (140, 148499776), (158, 131582080), (160, 129937304), (161, 129130240), (184, 112988960), (224, 92812360), (230, 90391168), (256, 81210815), (280, 74249888), (316, 65791040), (320, 64968652), (322, 64565120), (368, 56494480), (395, 52632832), (448, 46406180), (460, 45195584), (553, 37594880), (560, 37124944), (632, 32895520), (640, 32484326), (644, 32282560), (736, 28247240), (790, 26316416), (805, 25826048), (896, 23203090), (920, 22597792), (1106, 18797440), (1120, 18562472), (1264, 16447760), (1277, 16280320), (1280, 16242163), (1288, 16141280), (1472, 14123620), (1580, 13158208), (1610, 12913024), (1792, 11601545), (1817, 11441920), (1840, 11298896), (2212, 9398720), (2240, 9281236), (2528, 8223880), (2554, 8140160), (2576, 8070640), (2765, 7518976), (2944, 7061810), (3160, 6579104), (3220, 6456512), (3634, 5720960), (3680, 5649448), (4424, 4699360), (4480, 4640618), (5056, 4111940), (5108, 4070080), (5152, 4035320), (5530, 3759488), (5888, 3530905), (6320, 3289552), (6385, 3256064), (6440, 3228256), (7268, 2860480), (7360, 2824724), (8848, 2349680), (8939, 2325760), (8960, 2320309), (9085, 2288384), (10112, 2055970), (10216, 2035040), (10304, 2017660), (11060, 1879744), (12640, 1644776), (12719, 1634560), (12770, 1628032), (12880, 1614128), (14536, 1430240), (14720, 1412362), (17696, 1174840), (17878, 1162880), (18170, 1144192), (20224, 1027985), (20432, 1017520), (20608, 1008830), (22120, 939872), (25280, 822388), (25438, 817280), (25540, 814016), (25760, 807064), (29072, 715120), (29371, 707840), (29440, 706181), (35392, 587420), (35756, 581440), (36340, 572096), (40864, 508760), (41216, 504415), (44240, 469936), (44695, 465152), (50560, 411194), (50876, 408640), (51080, 407008), (51520, 403532), (58144, 357560), (58742, 353920), (63595, 326912), (70784, 293710), (71512, 290720), (72680, 286048), (81728, 254380), (88480, 234968), (89390, 232576), (100883, 206080), (101120, 205597), (101752, 204320), (102160, 203504), (103040, 201766), (116288, 178780), (117484, 176960), (127190, 163456), (141568, 146855), (143024, 145360)]