256279800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 288

約数和(自身を含む): 966902400

約数和(自身を除く): 710622600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 49, 50, 56, 60, 69, 70, 75, 84, 92, 98, 100, 105, 115, 120, 138, 140, 147, 150, 161, 168, 175, 184, 196, 200, 210, 230, 245, 276, 280, 294, 300, 322, 345, 350, 379, 392, 420, 460, 483, 490, 525, 552, 575, 588, 600, 644, 690, 700, 735, 758, 805, 840, 920, 966, 980, 1050, 1127, 1137, 1150, 1176, 1225, 1288, 1380, 1400, 1470, 1516, 1610, 1725, 1895, 1932, 1960, 2100, 2254, 2274, 2300, 2415, 2450, 2653, 2760, 2940, 3032, 3220, 3381, 3450, 3675, 3790, 3864, 4025, 4200, 4508, 4548, 4600, 4830, 4900, 5306, 5635, 5685, 5880, 6440, 6762, 6900, 7350, 7580, 7959, 8050, 8717, 9016, 9096, 9475, 9660, 9800, 10612, 11270, 11370, 12075, 13265, 13524, 13800, 14700, 15160, 15918, 16100, 16905, 17434, 18571, 18950, 19320, 21224, 22540, 22740, 24150, 26151, 26530, 27048, 28175, 28425, 29400, 31836, 32200, 33810, 34868, 37142, 37900, 39795, 43585, 45080, 45480, 48300, 52302, 53060, 55713, 56350, 56850, 61019, 63672, 66325, 67620, 69736, 74284, 75800, 79590, 84525, 87170, 92855, 96600, 104604, 106120, 111426, 112700, 113700, 122038, 130755, 132650, 135240, 148568, 159180, 169050, 174340, 183057, 185710, 198975, 209208, 217925, 222852, 225400, 227400, 244076, 261510, 265300, 278565, 305095, 318360, 338100, 348680, 366114, 371420, 397950, 427133, 435850, 445704, 464275, 488152, 523020, 530600, 557130, 610190, 653775, 676200, 732228, 742840, 795900, 854266, 871700, 915285, 928550, 1046040, 1114260, 1220380, 1281399, 1307550, 1392825, 1464456, 1525475, 1591800, 1708532, 1743400, 1830570, 1857100, 2135665, 2228520, 2440760, 2562798, 2615100, 2785650, 3050950, 3417064, 3661140, 3714200, 4271330, 4576425, 5125596, 5230200, 5571300, 6101900, 6406995, 7322280, 8542660, 9152850, 10251192, 10678325, 11142600, 12203800, 12813990, 17085320, 18305700, 21356650, 25627980, 32034975, 36611400, 42713300, 51255960, 64069950, 85426600, 128139900, 256279800]

約数ペア:

[(1, 256279800), (2, 128139900), (3, 85426600), (4, 64069950), (5, 51255960), (6, 42713300), (7, 36611400), (8, 32034975), (10, 25627980), (12, 21356650), (14, 18305700), (15, 17085320), (20, 12813990), (21, 12203800), (23, 11142600), (24, 10678325), (25, 10251192), (28, 9152850), (30, 8542660), (35, 7322280), (40, 6406995), (42, 6101900), (46, 5571300), (49, 5230200), (50, 5125596), (56, 4576425), (60, 4271330), (69, 3714200), (70, 3661140), (75, 3417064), (84, 3050950), (92, 2785650), (98, 2615100), (100, 2562798), (105, 2440760), (115, 2228520), (120, 2135665), (138, 1857100), (140, 1830570), (147, 1743400), (150, 1708532), (161, 1591800), (168, 1525475), (175, 1464456), (184, 1392825), (196, 1307550), (200, 1281399), (210, 1220380), (230, 1114260), (245, 1046040), (276, 928550), (280, 915285), (294, 871700), (300, 854266), (322, 795900), (345, 742840), (350, 732228), (379, 676200), (392, 653775), (420, 610190), (460, 557130), (483, 530600), (490, 523020), (525, 488152), (552, 464275), (575, 445704), (588, 435850), (600, 427133), (644, 397950), (690, 371420), (700, 366114), (735, 348680), (758, 338100), (805, 318360), (840, 305095), (920, 278565), (966, 265300), (980, 261510), (1050, 244076), (1127, 227400), (1137, 225400), (1150, 222852), (1176, 217925), (1225, 209208), (1288, 198975), (1380, 185710), (1400, 183057), (1470, 174340), (1516, 169050), (1610, 159180), (1725, 148568), (1895, 135240), (1932, 132650), (1960, 130755), (2100, 122038), (2254, 113700), (2274, 112700), (2300, 111426), (2415, 106120), (2450, 104604), (2653, 96600), (2760, 92855), (2940, 87170), (3032, 84525), (3220, 79590), (3381, 75800), (3450, 74284), (3675, 69736), (3790, 67620), (3864, 66325), (4025, 63672), (4200, 61019), (4508, 56850), (4548, 56350), (4600, 55713), (4830, 53060), (4900, 52302), (5306, 48300), (5635, 45480), (5685, 45080), (5880, 43585), (6440, 39795), (6762, 37900), (6900, 37142), (7350, 34868), (7580, 33810), (7959, 32200), (8050, 31836), (8717, 29400), (9016, 28425), (9096, 28175), (9475, 27048), (9660, 26530), (9800, 26151), (10612, 24150), (11270, 22740), (11370, 22540), (12075, 21224), (13265, 19320), (13524, 18950), (13800, 18571), (14700, 17434), (15160, 16905), (15918, 16100)]