388838880

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 288

約数和(自身を含む): 1405089504

約数和(自身を除く): 1016250624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 73, 80, 81, 90, 96, 108, 120, 135, 137, 144, 146, 160, 162, 180, 216, 219, 240, 243, 270, 274, 288, 292, 324, 360, 365, 405, 411, 432, 438, 480, 486, 540, 548, 584, 648, 657, 685, 720, 730, 810, 822, 864, 876, 972, 1080, 1095, 1096, 1168, 1215, 1233, 1296, 1314, 1370, 1440, 1460, 1620, 1644, 1752, 1944, 1971, 2055, 2160, 2190, 2192, 2336, 2430, 2466, 2592, 2628, 2740, 2920, 3240, 3285, 3288, 3504, 3699, 3888, 3942, 4110, 4320, 4380, 4384, 4860, 4932, 5256, 5480, 5840, 5913, 6165, 6480, 6570, 6576, 7008, 7398, 7776, 7884, 8220, 8760, 9720, 9855, 9864, 10001, 10512, 10960, 11097, 11680, 11826, 12330, 12960, 13140, 13152, 14796, 15768, 16440, 17520, 17739, 18495, 19440, 19710, 19728, 20002, 21024, 21920, 22194, 23652, 24660, 26280, 29565, 29592, 30003, 31536, 32880, 33291, 35040, 35478, 36990, 38880, 39420, 39456, 40004, 44388, 47304, 49320, 50005, 52560, 55485, 59130, 59184, 60006, 63072, 65760, 66582, 70956, 73980, 78840, 80008, 88695, 88776, 90009, 94608, 98640, 100010, 105120, 110970, 118260, 118368, 120012, 133164, 141912, 147960, 150015, 157680, 160016, 166455, 177390, 177552, 180018, 189216, 197280, 200020, 221940, 236520, 240024, 266328, 270027, 283824, 295920, 300030, 315360, 320032, 332910, 354780, 355104, 360036, 400040, 443880, 450045, 473040, 480048, 532656, 540054, 567648, 591840, 600060, 665820, 709560, 720072, 800080, 810081, 887760, 900090, 946080, 960096, 1065312, 1080108, 1200120, 1331640, 1350135, 1419120, 1440144, 1600160, 1620162, 1775520, 1800180, 2160216, 2400240, 2430243, 2663280, 2700270, 2838240, 2880288, 3240324, 3600360, 4050405, 4320432, 4800480, 4860486, 5326560, 5400540, 6480648, 7200720, 8100810, 8640864, 9720972, 10801080, 12151215, 12961296, 14401440, 16201620, 19441944, 21602160, 24302430, 25922592, 32403240, 38883888, 43204320, 48604860, 64806480, 77767776, 97209720, 129612960, 194419440, 388838880]

約数ペア:

[(1, 388838880), (2, 194419440), (3, 129612960), (4, 97209720), (5, 77767776), (6, 64806480), (8, 48604860), (9, 43204320), (10, 38883888), (12, 32403240), (15, 25922592), (16, 24302430), (18, 21602160), (20, 19441944), (24, 16201620), (27, 14401440), (30, 12961296), (32, 12151215), (36, 10801080), (40, 9720972), (45, 8640864), (48, 8100810), (54, 7200720), (60, 6480648), (72, 5400540), (73, 5326560), (80, 4860486), (81, 4800480), (90, 4320432), (96, 4050405), (108, 3600360), (120, 3240324), (135, 2880288), (137, 2838240), (144, 2700270), (146, 2663280), (160, 2430243), (162, 2400240), (180, 2160216), (216, 1800180), (219, 1775520), (240, 1620162), (243, 1600160), (270, 1440144), (274, 1419120), (288, 1350135), (292, 1331640), (324, 1200120), (360, 1080108), (365, 1065312), (405, 960096), (411, 946080), (432, 900090), (438, 887760), (480, 810081), (486, 800080), (540, 720072), (548, 709560), (584, 665820), (648, 600060), (657, 591840), (685, 567648), (720, 540054), (730, 532656), (810, 480048), (822, 473040), (864, 450045), (876, 443880), (972, 400040), (1080, 360036), (1095, 355104), (1096, 354780), (1168, 332910), (1215, 320032), (1233, 315360), (1296, 300030), (1314, 295920), (1370, 283824), (1440, 270027), (1460, 266328), (1620, 240024), (1644, 236520), (1752, 221940), (1944, 200020), (1971, 197280), (2055, 189216), (2160, 180018), (2190, 177552), (2192, 177390), (2336, 166455), (2430, 160016), (2466, 157680), (2592, 150015), (2628, 147960), (2740, 141912), (2920, 133164), (3240, 120012), (3285, 118368), (3288, 118260), (3504, 110970), (3699, 105120), (3888, 100010), (3942, 98640), (4110, 94608), (4320, 90009), (4380, 88776), (4384, 88695), (4860, 80008), (4932, 78840), (5256, 73980), (5480, 70956), (5840, 66582), (5913, 65760), (6165, 63072), (6480, 60006), (6570, 59184), (6576, 59130), (7008, 55485), (7398, 52560), (7776, 50005), (7884, 49320), (8220, 47304), (8760, 44388), (9720, 40004), (9855, 39456), (9864, 39420), (10001, 38880), (10512, 36990), (10960, 35478), (11097, 35040), (11680, 33291), (11826, 32880), (12330, 31536), (12960, 30003), (13140, 29592), (13152, 29565), (14796, 26280), (15768, 24660), (16440, 23652), (17520, 22194), (17739, 21920), (18495, 21024), (19440, 20002), (19710, 19728)]