280838880

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 384

約数和(自身を含む): 1158312960

約数和(自身を除く): 877474080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 108, 111, 112, 120, 126, 135, 140, 144, 148, 160, 168, 180, 185, 189, 210, 216, 222, 224, 240, 251, 252, 259, 270, 280, 288, 296, 315, 333, 336, 360, 370, 378, 420, 432, 444, 480, 502, 504, 518, 540, 555, 560, 592, 630, 666, 672, 720, 740, 753, 756, 777, 840, 864, 888, 945, 999, 1004, 1008, 1036, 1080, 1110, 1120, 1184, 1255, 1260, 1295, 1332, 1440, 1480, 1506, 1512, 1554, 1665, 1680, 1757, 1776, 1890, 1998, 2008, 2016, 2072, 2160, 2220, 2259, 2331, 2510, 2520, 2590, 2664, 2960, 3012, 3024, 3108, 3330, 3360, 3514, 3552, 3765, 3780, 3885, 3996, 4016, 4144, 4320, 4440, 4518, 4662, 4995, 5020, 5040, 5180, 5271, 5328, 5920, 6024, 6048, 6216, 6660, 6777, 6993, 7028, 7530, 7560, 7770, 7992, 8032, 8288, 8785, 8880, 9036, 9287, 9324, 9990, 10040, 10080, 10360, 10542, 10656, 11295, 11655, 12048, 12432, 13320, 13554, 13986, 14056, 15060, 15120, 15540, 15813, 15984, 17570, 17760, 18072, 18574, 18648, 19980, 20080, 20720, 21084, 22590, 23310, 24096, 24864, 26355, 26640, 27108, 27861, 27972, 28112, 30120, 30240, 31080, 31626, 31968, 33885, 34965, 35140, 36144, 37148, 37296, 39960, 40160, 41440, 42168, 45180, 46435, 46620, 47439, 52710, 53280, 54216, 55722, 55944, 56224, 60240, 62160, 63252, 65009, 67770, 69930, 70280, 72288, 74296, 74592, 79065, 79920, 83583, 84336, 90360, 92870, 93240, 94878, 105420, 108432, 111444, 111888, 120480, 124320, 126504, 130018, 135540, 139305, 139860, 140560, 148592, 158130, 159840, 167166, 168672, 180720, 185740, 186480, 189756, 195027, 210840, 216864, 222888, 223776, 237195, 250749, 253008, 260036, 271080, 278610, 279720, 281120, 297184, 316260, 325045, 334332, 361440, 371480, 372960, 379512, 390054, 417915, 421680, 445776, 474390, 501498, 506016, 520072, 542160, 557220, 559440, 585081, 632520, 650090, 668664, 742960, 759024, 780108, 835830, 843360, 891552, 948780, 975135, 1002996, 1040144, 1084320, 1114440, 1118880, 1170162, 1253745, 1265040, 1300180, 1337328, 1485920, 1518048, 1560216, 1671660, 1755243, 1897560, 1950270, 2005992, 2080288, 2228880, 2340324, 2507490, 2530080, 2600360, 2674656, 2925405, 3120432, 3343320, 3510486, 3795120, 3900540, 4011984, 4457760, 4680648, 5014980, 5200720, 5850810, 6240864, 6686640, 7020972, 7590240, 7801080, 8023968, 8776215, 9361296, 10029960, 10401440, 11701620, 13373280, 14041944, 15602160, 17552430, 18722592, 20059920, 23403240, 28083888, 31204320, 35104860, 40119840, 46806480, 56167776, 70209720, 93612960, 140419440, 280838880]

約数ペア:

[(1, 280838880), (2, 140419440), (3, 93612960), (4, 70209720), (5, 56167776), (6, 46806480), (7, 40119840), (8, 35104860), (9, 31204320), (10, 28083888), (12, 23403240), (14, 20059920), (15, 18722592), (16, 17552430), (18, 15602160), (20, 14041944), (21, 13373280), (24, 11701620), (27, 10401440), (28, 10029960), (30, 9361296), (32, 8776215), (35, 8023968), (36, 7801080), (37, 7590240), (40, 7020972), (42, 6686640), (45, 6240864), (48, 5850810), (54, 5200720), (56, 5014980), (60, 4680648), (63, 4457760), (70, 4011984), (72, 3900540), (74, 3795120), (80, 3510486), (84, 3343320), (90, 3120432), (96, 2925405), (105, 2674656), (108, 2600360), (111, 2530080), (112, 2507490), (120, 2340324), (126, 2228880), (135, 2080288), (140, 2005992), (144, 1950270), (148, 1897560), (160, 1755243), (168, 1671660), (180, 1560216), (185, 1518048), (189, 1485920), (210, 1337328), (216, 1300180), (222, 1265040), (224, 1253745), (240, 1170162), (251, 1118880), (252, 1114440), (259, 1084320), (270, 1040144), (280, 1002996), (288, 975135), (296, 948780), (315, 891552), (333, 843360), (336, 835830), (360, 780108), (370, 759024), (378, 742960), (420, 668664), (432, 650090), (444, 632520), (480, 585081), (502, 559440), (504, 557220), (518, 542160), (540, 520072), (555, 506016), (560, 501498), (592, 474390), (630, 445776), (666, 421680), (672, 417915), (720, 390054), (740, 379512), (753, 372960), (756, 371480), (777, 361440), (840, 334332), (864, 325045), (888, 316260), (945, 297184), (999, 281120), (1004, 279720), (1008, 278610), (1036, 271080), (1080, 260036), (1110, 253008), (1120, 250749), (1184, 237195), (1255, 223776), (1260, 222888), (1295, 216864), (1332, 210840), (1440, 195027), (1480, 189756), (1506, 186480), (1512, 185740), (1554, 180720), (1665, 168672), (1680, 167166), (1757, 159840), (1776, 158130), (1890, 148592), (1998, 140560), (2008, 139860), (2016, 139305), (2072, 135540), (2160, 130018), (2220, 126504), (2259, 124320), (2331, 120480), (2510, 111888), (2520, 111444), (2590, 108432), (2664, 105420), (2960, 94878), (3012, 93240), (3024, 92870), (3108, 90360), (3330, 84336), (3360, 83583), (3514, 79920), (3552, 79065), (3765, 74592), (3780, 74296), (3885, 72288), (3996, 70280), (4016, 69930), (4144, 67770), (4320, 65009), (4440, 63252), (4518, 62160), (4662, 60240), (4995, 56224), (5020, 55944), (5040, 55722), (5180, 54216), (5271, 53280), (5328, 52710), (5920, 47439), (6024, 46620), (6048, 46435), (6216, 45180), (6660, 42168), (6777, 41440), (6993, 40160), (7028, 39960), (7530, 37296), (7560, 37148), (7770, 36144), (7992, 35140), (8032, 34965), (8288, 33885), (8785, 31968), (8880, 31626), (9036, 31080), (9287, 30240), (9324, 30120), (9990, 28112), (10040, 27972), (10080, 27861), (10360, 27108), (10542, 26640), (10656, 26355), (11295, 24864), (11655, 24096), (12048, 23310), (12432, 22590), (13320, 21084), (13554, 20720), (13986, 20080), (14056, 19980), (15060, 18648), (15120, 18574), (15540, 18072), (15813, 17760), (15984, 17570)]