205023840

素因数分解:

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

素因数の和:434

約数の個数: 288

約数和(自身を含む): 785998080

約数和(自身を除く): 580974240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 96, 98, 105, 112, 115, 120, 138, 140, 147, 160, 161, 168, 184, 196, 210, 224, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 379, 392, 420, 460, 480, 483, 490, 552, 560, 588, 644, 672, 690, 735, 736, 758, 784, 805, 840, 920, 966, 980, 1104, 1120, 1127, 1137, 1176, 1288, 1380, 1470, 1516, 1568, 1610, 1680, 1840, 1895, 1932, 1960, 2208, 2254, 2274, 2352, 2415, 2576, 2653, 2760, 2940, 3032, 3220, 3360, 3381, 3680, 3790, 3864, 3920, 4508, 4548, 4704, 4830, 5152, 5306, 5520, 5635, 5685, 5880, 6064, 6440, 6762, 7580, 7728, 7840, 7959, 8717, 9016, 9096, 9660, 10612, 11040, 11270, 11370, 11760, 12128, 12880, 13265, 13524, 15160, 15456, 15918, 16905, 17434, 18032, 18192, 18571, 19320, 21224, 22540, 22740, 23520, 25760, 26151, 26530, 27048, 30320, 31836, 33810, 34868, 36064, 36384, 37142, 38640, 39795, 42448, 43585, 45080, 45480, 52302, 53060, 54096, 55713, 60640, 61019, 63672, 67620, 69736, 74284, 77280, 79590, 84896, 87170, 90160, 90960, 92855, 104604, 106120, 108192, 111426, 122038, 127344, 130755, 135240, 139472, 148568, 159180, 174340, 180320, 181920, 183057, 185710, 209208, 212240, 222852, 244076, 254688, 261510, 270480, 278565, 278944, 297136, 305095, 318360, 348680, 366114, 371420, 418416, 424480, 427133, 445704, 488152, 523020, 540960, 557130, 594272, 610190, 636720, 697360, 732228, 742840, 836832, 854266, 891408, 915285, 976304, 1046040, 1114260, 1220380, 1273440, 1281399, 1394720, 1464456, 1485680, 1708532, 1782816, 1830570, 1952608, 2092080, 2135665, 2228520, 2440760, 2562798, 2928912, 2971360, 3417064, 3661140, 4184160, 4271330, 4457040, 4881520, 5125596, 5857824, 6406995, 6834128, 7322280, 8542660, 8914080, 9763040, 10251192, 12813990, 13668256, 14644560, 17085320, 20502384, 25627980, 29289120, 34170640, 41004768, 51255960, 68341280, 102511920, 205023840]

約数ペア:

[(1, 205023840), (2, 102511920), (3, 68341280), (4, 51255960), (5, 41004768), (6, 34170640), (7, 29289120), (8, 25627980), (10, 20502384), (12, 17085320), (14, 14644560), (15, 13668256), (16, 12813990), (20, 10251192), (21, 9763040), (23, 8914080), (24, 8542660), (28, 7322280), (30, 6834128), (32, 6406995), (35, 5857824), (40, 5125596), (42, 4881520), (46, 4457040), (48, 4271330), (49, 4184160), (56, 3661140), (60, 3417064), (69, 2971360), (70, 2928912), (80, 2562798), (84, 2440760), (92, 2228520), (96, 2135665), (98, 2092080), (105, 1952608), (112, 1830570), (115, 1782816), (120, 1708532), (138, 1485680), (140, 1464456), (147, 1394720), (160, 1281399), (161, 1273440), (168, 1220380), (184, 1114260), (196, 1046040), (210, 976304), (224, 915285), (230, 891408), (240, 854266), (245, 836832), (276, 742840), (280, 732228), (294, 697360), (322, 636720), (336, 610190), (345, 594272), (368, 557130), (379, 540960), (392, 523020), (420, 488152), (460, 445704), (480, 427133), (483, 424480), (490, 418416), (552, 371420), (560, 366114), (588, 348680), (644, 318360), (672, 305095), (690, 297136), (735, 278944), (736, 278565), (758, 270480), (784, 261510), (805, 254688), (840, 244076), (920, 222852), (966, 212240), (980, 209208), (1104, 185710), (1120, 183057), (1127, 181920), (1137, 180320), (1176, 174340), (1288, 159180), (1380, 148568), (1470, 139472), (1516, 135240), (1568, 130755), (1610, 127344), (1680, 122038), (1840, 111426), (1895, 108192), (1932, 106120), (1960, 104604), (2208, 92855), (2254, 90960), (2274, 90160), (2352, 87170), (2415, 84896), (2576, 79590), (2653, 77280), (2760, 74284), (2940, 69736), (3032, 67620), (3220, 63672), (3360, 61019), (3381, 60640), (3680, 55713), (3790, 54096), (3864, 53060), (3920, 52302), (4508, 45480), (4548, 45080), (4704, 43585), (4830, 42448), (5152, 39795), (5306, 38640), (5520, 37142), (5635, 36384), (5685, 36064), (5880, 34868), (6064, 33810), (6440, 31836), (6762, 30320), (7580, 27048), (7728, 26530), (7840, 26151), (7959, 25760), (8717, 23520), (9016, 22740), (9096, 22540), (9660, 21224), (10612, 19320), (11040, 18571), (11270, 18192), (11370, 18032), (11760, 17434), (12128, 16905), (12880, 15918), (13265, 15456), (13524, 15160)]