256487400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 945486360

約数和(自身を除く): 688998960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 97, 100, 104, 113, 117, 120, 130, 150, 156, 180, 194, 195, 200, 225, 226, 234, 260, 291, 300, 312, 325, 339, 360, 388, 390, 450, 452, 468, 485, 520, 565, 582, 585, 600, 650, 678, 776, 780, 873, 900, 904, 936, 970, 975, 1017, 1130, 1164, 1170, 1261, 1300, 1356, 1455, 1469, 1560, 1695, 1746, 1800, 1940, 1950, 2034, 2260, 2328, 2340, 2425, 2522, 2600, 2712, 2825, 2910, 2925, 2938, 3390, 3492, 3783, 3880, 3900, 4068, 4365, 4407, 4520, 4680, 4850, 5044, 5085, 5650, 5820, 5850, 5876, 6305, 6780, 6984, 7275, 7345, 7566, 7800, 8136, 8475, 8730, 8814, 9700, 10088, 10170, 10961, 11300, 11349, 11640, 11700, 11752, 12610, 13221, 13560, 14550, 14690, 15132, 16950, 17460, 17628, 18915, 19400, 20340, 21825, 21922, 22035, 22600, 22698, 23400, 25220, 25425, 26442, 29100, 29380, 30264, 31525, 32883, 33900, 34920, 35256, 36725, 37830, 40680, 43650, 43844, 44070, 45396, 50440, 50850, 52884, 54805, 56745, 58200, 58760, 63050, 65766, 66105, 67800, 73450, 75660, 87300, 87688, 88140, 90792, 94575, 98649, 101700, 105768, 109610, 110175, 113490, 126100, 131532, 132210, 142493, 146900, 151320, 164415, 174600, 176280, 189150, 197298, 203400, 219220, 220350, 226980, 252200, 263064, 264420, 274025, 283725, 284986, 293800, 328830, 330525, 378300, 394596, 427479, 438440, 440700, 453960, 493245, 528840, 548050, 567450, 569972, 657660, 661050, 712465, 756600, 789192, 822075, 854958, 881400, 986490, 1096100, 1134900, 1139944, 1282437, 1315320, 1322100, 1424930, 1644150, 1709916, 1972980, 2137395, 2192200, 2269800, 2466225, 2564874, 2644200, 2849860, 3288300, 3419832, 3562325, 3945960, 4274790, 4932450, 5129748, 5699720, 6412185, 6576600, 7124650, 8549580, 9864900, 10259496, 10686975, 12824370, 14249300, 17099160, 19729800, 21373950, 25648740, 28498600, 32060925, 42747900, 51297480, 64121850, 85495800, 128243700, 256487400]

約数ペア:

[(1, 256487400), (2, 128243700), (3, 85495800), (4, 64121850), (5, 51297480), (6, 42747900), (8, 32060925), (9, 28498600), (10, 25648740), (12, 21373950), (13, 19729800), (15, 17099160), (18, 14249300), (20, 12824370), (24, 10686975), (25, 10259496), (26, 9864900), (30, 8549580), (36, 7124650), (39, 6576600), (40, 6412185), (45, 5699720), (50, 5129748), (52, 4932450), (60, 4274790), (65, 3945960), (72, 3562325), (75, 3419832), (78, 3288300), (90, 2849860), (97, 2644200), (100, 2564874), (104, 2466225), (113, 2269800), (117, 2192200), (120, 2137395), (130, 1972980), (150, 1709916), (156, 1644150), (180, 1424930), (194, 1322100), (195, 1315320), (200, 1282437), (225, 1139944), (226, 1134900), (234, 1096100), (260, 986490), (291, 881400), (300, 854958), (312, 822075), (325, 789192), (339, 756600), (360, 712465), (388, 661050), (390, 657660), (450, 569972), (452, 567450), (468, 548050), (485, 528840), (520, 493245), (565, 453960), (582, 440700), (585, 438440), (600, 427479), (650, 394596), (678, 378300), (776, 330525), (780, 328830), (873, 293800), (900, 284986), (904, 283725), (936, 274025), (970, 264420), (975, 263064), (1017, 252200), (1130, 226980), (1164, 220350), (1170, 219220), (1261, 203400), (1300, 197298), (1356, 189150), (1455, 176280), (1469, 174600), (1560, 164415), (1695, 151320), (1746, 146900), (1800, 142493), (1940, 132210), (1950, 131532), (2034, 126100), (2260, 113490), (2328, 110175), (2340, 109610), (2425, 105768), (2522, 101700), (2600, 98649), (2712, 94575), (2825, 90792), (2910, 88140), (2925, 87688), (2938, 87300), (3390, 75660), (3492, 73450), (3783, 67800), (3880, 66105), (3900, 65766), (4068, 63050), (4365, 58760), (4407, 58200), (4520, 56745), (4680, 54805), (4850, 52884), (5044, 50850), (5085, 50440), (5650, 45396), (5820, 44070), (5850, 43844), (5876, 43650), (6305, 40680), (6780, 37830), (6984, 36725), (7275, 35256), (7345, 34920), (7566, 33900), (7800, 32883), (8136, 31525), (8475, 30264), (8730, 29380), (8814, 29100), (9700, 26442), (10088, 25425), (10170, 25220), (10961, 23400), (11300, 22698), (11349, 22600), (11640, 22035), (11700, 21922), (11752, 21825), (12610, 20340), (13221, 19400), (13560, 18915), (14550, 17628), (14690, 17460), (15132, 16950)]