279990720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 168

約数和(自身を含む): 969995520

約数和(自身を除く): 690004800

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, 144, 160, 180, 191, 192, 240, 288, 320, 360, 382, 480, 509, 573, 576, 720, 764, 955, 960, 1018, 1146, 1440, 1527, 1528, 1719, 1910, 2036, 2292, 2545, 2865, 2880, 3054, 3056, 3438, 3820, 4072, 4581, 4584, 5090, 5730, 6108, 6112, 6876, 7635, 7640, 8144, 8595, 9162, 9168, 10180, 11460, 12216, 12224, 13752, 15270, 15280, 16288, 17190, 18324, 18336, 20360, 22905, 22920, 24432, 27504, 30540, 30560, 32576, 34380, 36648, 36672, 40720, 45810, 45840, 48864, 55008, 61080, 61120, 68760, 73296, 81440, 91620, 91680, 97219, 97728, 110016, 122160, 137520, 146592, 162880, 183240, 183360, 194438, 244320, 275040, 291657, 293184, 366480, 388876, 486095, 488640, 550080, 583314, 732960, 777752, 874971, 972190, 1166628, 1458285, 1465920, 1555504, 1749942, 1944380, 2333256, 2916570, 3111008, 3499884, 3888760, 4374855, 4666512, 5833140, 6222016, 6999768, 7777520, 8749710, 9333024, 11666280, 13999536, 15555040, 17499420, 18666048, 23332560, 27999072, 31110080, 34998840, 46665120, 55998144, 69997680, 93330240, 139995360, 279990720]

約数ペア:

[(1, 279990720), (2, 139995360), (3, 93330240), (4, 69997680), (5, 55998144), (6, 46665120), (8, 34998840), (9, 31110080), (10, 27999072), (12, 23332560), (15, 18666048), (16, 17499420), (18, 15555040), (20, 13999536), (24, 11666280), (30, 9333024), (32, 8749710), (36, 7777520), (40, 6999768), (45, 6222016), (48, 5833140), (60, 4666512), (64, 4374855), (72, 3888760), (80, 3499884), (90, 3111008), (96, 2916570), (120, 2333256), (144, 1944380), (160, 1749942), (180, 1555504), (191, 1465920), (192, 1458285), (240, 1166628), (288, 972190), (320, 874971), (360, 777752), (382, 732960), (480, 583314), (509, 550080), (573, 488640), (576, 486095), (720, 388876), (764, 366480), (955, 293184), (960, 291657), (1018, 275040), (1146, 244320), (1440, 194438), (1527, 183360), (1528, 183240), (1719, 162880), (1910, 146592), (2036, 137520), (2292, 122160), (2545, 110016), (2865, 97728), (2880, 97219), (3054, 91680), (3056, 91620), (3438, 81440), (3820, 73296), (4072, 68760), (4581, 61120), (4584, 61080), (5090, 55008), (5730, 48864), (6108, 45840), (6112, 45810), (6876, 40720), (7635, 36672), (7640, 36648), (8144, 34380), (8595, 32576), (9162, 30560), (9168, 30540), (10180, 27504), (11460, 24432), (12216, 22920), (12224, 22905), (13752, 20360), (15270, 18336), (15280, 18324), (16288, 17190)]