281640960

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 981452160

約数和(自身を除く): 699811200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 191, 192, 240, 256, 288, 320, 360, 382, 384, 480, 512, 573, 576, 640, 720, 764, 768, 955, 960, 1024, 1146, 1152, 1280, 1440, 1528, 1536, 1719, 1910, 1920, 2048, 2292, 2304, 2560, 2865, 2880, 3056, 3072, 3438, 3820, 3840, 4096, 4584, 4608, 5120, 5730, 5760, 6112, 6144, 6876, 7640, 7680, 8192, 8595, 9168, 9216, 10240, 11460, 11520, 12224, 12288, 13752, 15280, 15360, 16384, 17190, 18336, 18432, 20480, 22920, 23040, 24448, 24576, 27504, 30560, 30720, 32768, 34380, 36672, 36864, 40960, 45840, 46080, 48896, 49152, 55008, 61120, 61440, 68760, 73344, 73728, 81920, 91680, 92160, 97792, 98304, 110016, 122240, 122880, 137520, 146688, 147456, 163840, 183360, 184320, 195584, 220032, 244480, 245760, 275040, 293376, 294912, 366720, 368640, 391168, 440064, 488960, 491520, 550080, 586752, 733440, 737280, 782336, 880128, 977920, 1100160, 1173504, 1466880, 1474560, 1564672, 1760256, 1955840, 2200320, 2347008, 2933760, 3129344, 3520512, 3911680, 4400640, 4694016, 5867520, 6258688, 7041024, 7823360, 8801280, 9388032, 11735040, 14082048, 15646720, 17602560, 18776064, 23470080, 28164096, 31293440, 35205120, 46940160, 56328192, 70410240, 93880320, 140820480, 281640960]

約数ペア:

[(1, 281640960), (2, 140820480), (3, 93880320), (4, 70410240), (5, 56328192), (6, 46940160), (8, 35205120), (9, 31293440), (10, 28164096), (12, 23470080), (15, 18776064), (16, 17602560), (18, 15646720), (20, 14082048), (24, 11735040), (30, 9388032), (32, 8801280), (36, 7823360), (40, 7041024), (45, 6258688), (48, 5867520), (60, 4694016), (64, 4400640), (72, 3911680), (80, 3520512), (90, 3129344), (96, 2933760), (120, 2347008), (128, 2200320), (144, 1955840), (160, 1760256), (180, 1564672), (191, 1474560), (192, 1466880), (240, 1173504), (256, 1100160), (288, 977920), (320, 880128), (360, 782336), (382, 737280), (384, 733440), (480, 586752), (512, 550080), (573, 491520), (576, 488960), (640, 440064), (720, 391168), (764, 368640), (768, 366720), (955, 294912), (960, 293376), (1024, 275040), (1146, 245760), (1152, 244480), (1280, 220032), (1440, 195584), (1528, 184320), (1536, 183360), (1719, 163840), (1910, 147456), (1920, 146688), (2048, 137520), (2292, 122880), (2304, 122240), (2560, 110016), (2865, 98304), (2880, 97792), (3056, 92160), (3072, 91680), (3438, 81920), (3820, 73728), (3840, 73344), (4096, 68760), (4584, 61440), (4608, 61120), (5120, 55008), (5730, 49152), (5760, 48896), (6112, 46080), (6144, 45840), (6876, 40960), (7640, 36864), (7680, 36672), (8192, 34380), (8595, 32768), (9168, 30720), (9216, 30560), (10240, 27504), (11460, 24576), (11520, 24448), (12224, 23040), (12288, 22920), (13752, 20480), (15280, 18432), (15360, 18336), (16384, 17190)]