172542720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^3\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 288

約数和(自身を含む): 647539200

約数和(自身を除く): 474996480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 131, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 262, 280, 294, 320, 336, 343, 384, 392, 393, 420, 448, 480, 490, 524, 560, 588, 640, 655, 672, 686, 735, 768, 784, 786, 840, 896, 917, 960, 980, 1029, 1048, 1120, 1176, 1280, 1310, 1344, 1372, 1470, 1568, 1572, 1680, 1715, 1792, 1834, 1920, 1960, 1965, 2058, 2096, 2240, 2352, 2620, 2688, 2744, 2751, 2940, 3136, 3144, 3360, 3430, 3668, 3840, 3920, 3930, 4116, 4192, 4480, 4585, 4704, 5145, 5240, 5376, 5488, 5502, 5880, 6272, 6288, 6419, 6720, 6860, 7336, 7840, 7860, 8232, 8384, 8960, 9170, 9408, 10290, 10480, 10976, 11004, 11760, 12544, 12576, 12838, 13440, 13720, 13755, 14672, 15680, 15720, 16464, 16768, 18340, 18816, 19257, 20580, 20960, 21952, 22008, 23520, 25152, 25676, 26880, 27440, 27510, 29344, 31360, 31440, 32095, 32928, 33536, 36680, 37632, 38514, 41160, 41920, 43904, 44016, 44933, 47040, 50304, 51352, 54880, 55020, 58688, 62720, 62880, 64190, 65856, 73360, 77028, 82320, 83840, 87808, 88032, 89866, 94080, 96285, 100608, 102704, 109760, 110040, 117376, 125760, 128380, 131712, 134799, 146720, 154056, 164640, 167680, 176064, 179732, 188160, 192570, 205408, 219520, 220080, 224665, 234752, 251520, 256760, 263424, 269598, 293440, 308112, 329280, 352128, 359464, 385140, 410816, 439040, 440160, 449330, 503040, 513520, 539196, 586880, 616224, 658560, 673995, 704256, 718928, 770280, 821632, 880320, 898660, 1027040, 1078392, 1173760, 1232448, 1317120, 1347990, 1437856, 1540560, 1643264, 1760640, 1797320, 2054080, 2156784, 2464896, 2695980, 2875712, 3081120, 3521280, 3594640, 4108160, 4313568, 4929792, 5391960, 5751424, 6162240, 7189280, 8216320, 8627136, 10783920, 11502848, 12324480, 14378560, 17254272, 21567840, 24648960, 28757120, 34508544, 43135680, 57514240, 86271360, 172542720]

約数ペア:

[(1, 172542720), (2, 86271360), (3, 57514240), (4, 43135680), (5, 34508544), (6, 28757120), (7, 24648960), (8, 21567840), (10, 17254272), (12, 14378560), (14, 12324480), (15, 11502848), (16, 10783920), (20, 8627136), (21, 8216320), (24, 7189280), (28, 6162240), (30, 5751424), (32, 5391960), (35, 4929792), (40, 4313568), (42, 4108160), (48, 3594640), (49, 3521280), (56, 3081120), (60, 2875712), (64, 2695980), (70, 2464896), (80, 2156784), (84, 2054080), (96, 1797320), (98, 1760640), (105, 1643264), (112, 1540560), (120, 1437856), (128, 1347990), (131, 1317120), (140, 1232448), (147, 1173760), (160, 1078392), (168, 1027040), (192, 898660), (196, 880320), (210, 821632), (224, 770280), (240, 718928), (245, 704256), (256, 673995), (262, 658560), (280, 616224), (294, 586880), (320, 539196), (336, 513520), (343, 503040), (384, 449330), (392, 440160), (393, 439040), (420, 410816), (448, 385140), (480, 359464), (490, 352128), (524, 329280), (560, 308112), (588, 293440), (640, 269598), (655, 263424), (672, 256760), (686, 251520), (735, 234752), (768, 224665), (784, 220080), (786, 219520), (840, 205408), (896, 192570), (917, 188160), (960, 179732), (980, 176064), (1029, 167680), (1048, 164640), (1120, 154056), (1176, 146720), (1280, 134799), (1310, 131712), (1344, 128380), (1372, 125760), (1470, 117376), (1568, 110040), (1572, 109760), (1680, 102704), (1715, 100608), (1792, 96285), (1834, 94080), (1920, 89866), (1960, 88032), (1965, 87808), (2058, 83840), (2096, 82320), (2240, 77028), (2352, 73360), (2620, 65856), (2688, 64190), (2744, 62880), (2751, 62720), (2940, 58688), (3136, 55020), (3144, 54880), (3360, 51352), (3430, 50304), (3668, 47040), (3840, 44933), (3920, 44016), (3930, 43904), (4116, 41920), (4192, 41160), (4480, 38514), (4585, 37632), (4704, 36680), (5145, 33536), (5240, 32928), (5376, 32095), (5488, 31440), (5502, 31360), (5880, 29344), (6272, 27510), (6288, 27440), (6419, 26880), (6720, 25676), (6860, 25152), (7336, 23520), (7840, 22008), (7860, 21952), (8232, 20960), (8384, 20580), (8960, 19257), (9170, 18816), (9408, 18340), (10290, 16768), (10480, 16464), (10976, 15720), (11004, 15680), (11760, 14672), (12544, 13755), (12576, 13720), (12838, 13440)]