640375200

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1341

約数の個数: 288

約数和(自身を含む): 2418595200

約数和(自身を除く): 1778220000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 32, 36, 40, 45, 46, 48, 50, 54, 60, 69, 72, 75, 80, 90, 92, 96, 100, 108, 115, 120, 135, 138, 144, 150, 160, 180, 184, 200, 207, 216, 225, 230, 240, 270, 276, 288, 300, 345, 360, 368, 400, 414, 432, 450, 460, 480, 540, 552, 575, 600, 621, 675, 690, 720, 736, 800, 828, 864, 900, 920, 1035, 1080, 1104, 1150, 1200, 1242, 1289, 1350, 1380, 1440, 1656, 1725, 1800, 1840, 2070, 2160, 2208, 2300, 2400, 2484, 2578, 2700, 2760, 3105, 3312, 3450, 3600, 3680, 3867, 4140, 4320, 4600, 4968, 5156, 5175, 5400, 5520, 6210, 6445, 6624, 6900, 7200, 7734, 8280, 9200, 9936, 10312, 10350, 10800, 11040, 11601, 12420, 12890, 13800, 15468, 15525, 16560, 18400, 19335, 19872, 20624, 20700, 21600, 23202, 24840, 25780, 27600, 29647, 30936, 31050, 32225, 33120, 34803, 38670, 41248, 41400, 46404, 49680, 51560, 55200, 58005, 59294, 61872, 62100, 64450, 69606, 77340, 82800, 88941, 92808, 96675, 99360, 103120, 116010, 118588, 123744, 124200, 128900, 139212, 148235, 154680, 165600, 174015, 177882, 185616, 193350, 206240, 232020, 237176, 248400, 257800, 266823, 278424, 290025, 296470, 309360, 348030, 355764, 371232, 386700, 444705, 464040, 474352, 496800, 515600, 533646, 556848, 580050, 592940, 618720, 696060, 711528, 741175, 773400, 800469, 870075, 889410, 928080, 948704, 1031200, 1067292, 1113696, 1160100, 1185880, 1334115, 1392120, 1423056, 1482350, 1546800, 1600938, 1740150, 1778820, 1856160, 2134584, 2223525, 2320200, 2371760, 2668230, 2784240, 2846112, 2964700, 3093600, 3201876, 3480300, 3557640, 4002345, 4269168, 4447050, 4640400, 4743520, 5336460, 5568480, 5929400, 6403752, 6670575, 6960600, 7115280, 8004690, 8538336, 8894100, 9280800, 10672920, 11858800, 12807504, 13341150, 13921200, 14230560, 16009380, 17788200, 20011725, 21345840, 23717600, 25615008, 26682300, 27842400, 32018760, 35576400, 40023450, 42691680, 53364600, 64037520, 71152800, 80046900, 106729200, 128075040, 160093800, 213458400, 320187600, 640375200]

約数ペア:

[(1, 640375200), (2, 320187600), (3, 213458400), (4, 160093800), (5, 128075040), (6, 106729200), (8, 80046900), (9, 71152800), (10, 64037520), (12, 53364600), (15, 42691680), (16, 40023450), (18, 35576400), (20, 32018760), (23, 27842400), (24, 26682300), (25, 25615008), (27, 23717600), (30, 21345840), (32, 20011725), (36, 17788200), (40, 16009380), (45, 14230560), (46, 13921200), (48, 13341150), (50, 12807504), (54, 11858800), (60, 10672920), (69, 9280800), (72, 8894100), (75, 8538336), (80, 8004690), (90, 7115280), (92, 6960600), (96, 6670575), (100, 6403752), (108, 5929400), (115, 5568480), (120, 5336460), (135, 4743520), (138, 4640400), (144, 4447050), (150, 4269168), (160, 4002345), (180, 3557640), (184, 3480300), (200, 3201876), (207, 3093600), (216, 2964700), (225, 2846112), (230, 2784240), (240, 2668230), (270, 2371760), (276, 2320200), (288, 2223525), (300, 2134584), (345, 1856160), (360, 1778820), (368, 1740150), (400, 1600938), (414, 1546800), (432, 1482350), (450, 1423056), (460, 1392120), (480, 1334115), (540, 1185880), (552, 1160100), (575, 1113696), (600, 1067292), (621, 1031200), (675, 948704), (690, 928080), (720, 889410), (736, 870075), (800, 800469), (828, 773400), (864, 741175), (900, 711528), (920, 696060), (1035, 618720), (1080, 592940), (1104, 580050), (1150, 556848), (1200, 533646), (1242, 515600), (1289, 496800), (1350, 474352), (1380, 464040), (1440, 444705), (1656, 386700), (1725, 371232), (1800, 355764), (1840, 348030), (2070, 309360), (2160, 296470), (2208, 290025), (2300, 278424), (2400, 266823), (2484, 257800), (2578, 248400), (2700, 237176), (2760, 232020), (3105, 206240), (3312, 193350), (3450, 185616), (3600, 177882), (3680, 174015), (3867, 165600), (4140, 154680), (4320, 148235), (4600, 139212), (4968, 128900), (5156, 124200), (5175, 123744), (5400, 118588), (5520, 116010), (6210, 103120), (6445, 99360), (6624, 96675), (6900, 92808), (7200, 88941), (7734, 82800), (8280, 77340), (9200, 69606), (9936, 64450), (10312, 62100), (10350, 61872), (10800, 59294), (11040, 58005), (11601, 55200), (12420, 51560), (12890, 49680), (13800, 46404), (15468, 41400), (15525, 41248), (16560, 38670), (18400, 34803), (19335, 33120), (19872, 32225), (20624, 31050), (20700, 30936), (21600, 29647), (23202, 27600), (24840, 25780)]