291240320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 835122960

約数和(自身を除く): 543882640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 251, 259, 280, 296, 320, 370, 392, 448, 490, 502, 518, 560, 592, 640, 740, 784, 896, 980, 1004, 1036, 1120, 1184, 1255, 1295, 1480, 1568, 1757, 1813, 1960, 2008, 2072, 2240, 2368, 2510, 2590, 2960, 3136, 3514, 3626, 3920, 4016, 4144, 4480, 4736, 5020, 5180, 5920, 6272, 7028, 7252, 7840, 8032, 8288, 8785, 9065, 9287, 10040, 10360, 11840, 12299, 14056, 14504, 15680, 16064, 16576, 17570, 18130, 18574, 20080, 20720, 23680, 24598, 28112, 29008, 31360, 32128, 33152, 35140, 36260, 37148, 40160, 41440, 46435, 49196, 56224, 58016, 61495, 65009, 70280, 72520, 74296, 80320, 82880, 92870, 98392, 112448, 116032, 122990, 130018, 140560, 145040, 148592, 160640, 165760, 185740, 196784, 224896, 232064, 245980, 260036, 281120, 290080, 297184, 325045, 371480, 393568, 455063, 491960, 520072, 562240, 580160, 594368, 650090, 742960, 787136, 910126, 983920, 1040144, 1124480, 1160320, 1188736, 1300180, 1485920, 1574272, 1820252, 1967840, 2080288, 2275315, 2600360, 2971840, 3640504, 3935680, 4160576, 4550630, 5200720, 5943680, 7281008, 7871360, 8321152, 9101260, 10401440, 14562016, 18202520, 20802880, 29124032, 36405040, 41605760, 58248064, 72810080, 145620160, 291240320]

約数ペア:

[(1, 291240320), (2, 145620160), (4, 72810080), (5, 58248064), (7, 41605760), (8, 36405040), (10, 29124032), (14, 20802880), (16, 18202520), (20, 14562016), (28, 10401440), (32, 9101260), (35, 8321152), (37, 7871360), (40, 7281008), (49, 5943680), (56, 5200720), (64, 4550630), (70, 4160576), (74, 3935680), (80, 3640504), (98, 2971840), (112, 2600360), (128, 2275315), (140, 2080288), (148, 1967840), (160, 1820252), (185, 1574272), (196, 1485920), (224, 1300180), (245, 1188736), (251, 1160320), (259, 1124480), (280, 1040144), (296, 983920), (320, 910126), (370, 787136), (392, 742960), (448, 650090), (490, 594368), (502, 580160), (518, 562240), (560, 520072), (592, 491960), (640, 455063), (740, 393568), (784, 371480), (896, 325045), (980, 297184), (1004, 290080), (1036, 281120), (1120, 260036), (1184, 245980), (1255, 232064), (1295, 224896), (1480, 196784), (1568, 185740), (1757, 165760), (1813, 160640), (1960, 148592), (2008, 145040), (2072, 140560), (2240, 130018), (2368, 122990), (2510, 116032), (2590, 112448), (2960, 98392), (3136, 92870), (3514, 82880), (3626, 80320), (3920, 74296), (4016, 72520), (4144, 70280), (4480, 65009), (4736, 61495), (5020, 58016), (5180, 56224), (5920, 49196), (6272, 46435), (7028, 41440), (7252, 40160), (7840, 37148), (8032, 36260), (8288, 35140), (8785, 33152), (9065, 32128), (9287, 31360), (10040, 29008), (10360, 28112), (11840, 24598), (12299, 23680), (14056, 20720), (14504, 20080), (15680, 18574), (16064, 18130), (16576, 17570)]