138723840

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 240

約数和(自身を含む): 500467968

約数和(自身を除く): 361744128

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 223, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 446, 480, 486, 512, 540, 576, 640, 648, 669, 720, 768, 810, 864, 892, 960, 972, 1080, 1115, 1152, 1215, 1280, 1296, 1338, 1440, 1536, 1620, 1728, 1784, 1920, 1944, 2007, 2160, 2230, 2304, 2430, 2560, 2592, 2676, 2880, 3240, 3345, 3456, 3568, 3840, 3888, 4014, 4320, 4460, 4608, 4860, 5184, 5352, 5760, 6021, 6480, 6690, 6912, 7136, 7680, 7776, 8028, 8640, 8920, 9720, 10035, 10368, 10704, 11520, 12042, 12960, 13380, 13824, 14272, 15552, 16056, 17280, 17840, 18063, 19440, 20070, 20736, 21408, 23040, 24084, 25920, 26760, 28544, 30105, 31104, 32112, 34560, 35680, 36126, 38880, 40140, 41472, 42816, 48168, 51840, 53520, 54189, 57088, 60210, 62208, 64224, 69120, 71360, 72252, 77760, 80280, 85632, 90315, 96336, 103680, 107040, 108378, 114176, 120420, 124416, 128448, 142720, 144504, 155520, 160560, 171264, 180630, 192672, 207360, 214080, 216756, 240840, 256896, 270945, 285440, 289008, 311040, 321120, 342528, 361260, 385344, 428160, 433512, 481680, 513792, 541890, 570880, 578016, 622080, 642240, 722520, 770688, 856320, 867024, 963360, 1027584, 1083780, 1156032, 1284480, 1445040, 1541376, 1712640, 1734048, 1926720, 2167560, 2312064, 2568960, 2890080, 3082752, 3468096, 3853440, 4335120, 4624128, 5137920, 5780160, 6936192, 7706880, 8670240, 9248256, 11560320, 13872384, 15413760, 17340480, 23120640, 27744768, 34680960, 46241280, 69361920, 138723840]

約数ペア:

[(1, 138723840), (2, 69361920), (3, 46241280), (4, 34680960), (5, 27744768), (6, 23120640), (8, 17340480), (9, 15413760), (10, 13872384), (12, 11560320), (15, 9248256), (16, 8670240), (18, 7706880), (20, 6936192), (24, 5780160), (27, 5137920), (30, 4624128), (32, 4335120), (36, 3853440), (40, 3468096), (45, 3082752), (48, 2890080), (54, 2568960), (60, 2312064), (64, 2167560), (72, 1926720), (80, 1734048), (81, 1712640), (90, 1541376), (96, 1445040), (108, 1284480), (120, 1156032), (128, 1083780), (135, 1027584), (144, 963360), (160, 867024), (162, 856320), (180, 770688), (192, 722520), (216, 642240), (223, 622080), (240, 578016), (243, 570880), (256, 541890), (270, 513792), (288, 481680), (320, 433512), (324, 428160), (360, 385344), (384, 361260), (405, 342528), (432, 321120), (446, 311040), (480, 289008), (486, 285440), (512, 270945), (540, 256896), (576, 240840), (640, 216756), (648, 214080), (669, 207360), (720, 192672), (768, 180630), (810, 171264), (864, 160560), (892, 155520), (960, 144504), (972, 142720), (1080, 128448), (1115, 124416), (1152, 120420), (1215, 114176), (1280, 108378), (1296, 107040), (1338, 103680), (1440, 96336), (1536, 90315), (1620, 85632), (1728, 80280), (1784, 77760), (1920, 72252), (1944, 71360), (2007, 69120), (2160, 64224), (2230, 62208), (2304, 60210), (2430, 57088), (2560, 54189), (2592, 53520), (2676, 51840), (2880, 48168), (3240, 42816), (3345, 41472), (3456, 40140), (3568, 38880), (3840, 36126), (3888, 35680), (4014, 34560), (4320, 32112), (4460, 31104), (4608, 30105), (4860, 28544), (5184, 26760), (5352, 25920), (5760, 24084), (6021, 23040), (6480, 21408), (6690, 20736), (6912, 20070), (7136, 19440), (7680, 18063), (7776, 17840), (8028, 17280), (8640, 16056), (8920, 15552), (9720, 14272), (10035, 13824), (10368, 13380), (10704, 12960), (11520, 12042)]