19802880

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{191}}^1$

素因数の和:224

約数の個数: 180

約数和(自身を含む): 71229312

約数和(自身を除く): 51426432

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, 191, 192, 216, 240, 256, 270, 288, 320, 324, 360, 382, 384, 405, 432, 480, 540, 573, 576, 640, 648, 720, 764, 768, 810, 864, 955, 960, 1080, 1146, 1152, 1280, 1296, 1440, 1528, 1620, 1719, 1728, 1910, 1920, 2160, 2292, 2304, 2592, 2865, 2880, 3056, 3240, 3438, 3456, 3820, 3840, 4320, 4584, 5157, 5184, 5730, 5760, 6112, 6480, 6876, 6912, 7640, 8595, 8640, 9168, 10314, 10368, 11460, 11520, 12224, 12960, 13752, 15280, 15471, 17190, 17280, 18336, 20628, 20736, 22920, 24448, 25785, 25920, 27504, 30560, 30942, 34380, 34560, 36672, 41256, 45840, 48896, 51570, 51840, 55008, 61120, 61884, 68760, 73344, 77355, 82512, 91680, 103140, 103680, 110016, 122240, 123768, 137520, 146688, 154710, 165024, 183360, 206280, 220032, 244480, 247536, 275040, 309420, 330048, 366720, 412560, 440064, 495072, 550080, 618840, 660096, 733440, 825120, 990144, 1100160, 1237680, 1320192, 1650240, 1980288, 2200320, 2475360, 3300480, 3960576, 4950720, 6600960, 9901440, 19802880]

約数ペア:

[(1, 19802880), (2, 9901440), (3, 6600960), (4, 4950720), (5, 3960576), (6, 3300480), (8, 2475360), (9, 2200320), (10, 1980288), (12, 1650240), (15, 1320192), (16, 1237680), (18, 1100160), (20, 990144), (24, 825120), (27, 733440), (30, 660096), (32, 618840), (36, 550080), (40, 495072), (45, 440064), (48, 412560), (54, 366720), (60, 330048), (64, 309420), (72, 275040), (80, 247536), (81, 244480), (90, 220032), (96, 206280), (108, 183360), (120, 165024), (128, 154710), (135, 146688), (144, 137520), (160, 123768), (162, 122240), (180, 110016), (191, 103680), (192, 103140), (216, 91680), (240, 82512), (256, 77355), (270, 73344), (288, 68760), (320, 61884), (324, 61120), (360, 55008), (382, 51840), (384, 51570), (405, 48896), (432, 45840), (480, 41256), (540, 36672), (573, 34560), (576, 34380), (640, 30942), (648, 30560), (720, 27504), (764, 25920), (768, 25785), (810, 24448), (864, 22920), (955, 20736), (960, 20628), (1080, 18336), (1146, 17280), (1152, 17190), (1280, 15471), (1296, 15280), (1440, 13752), (1528, 12960), (1620, 12224), (1719, 11520), (1728, 11460), (1910, 10368), (1920, 10314), (2160, 9168), (2292, 8640), (2304, 8595), (2592, 7640), (2865, 6912), (2880, 6876), (3056, 6480), (3240, 6112), (3438, 5760), (3456, 5730), (3820, 5184), (3840, 5157), (4320, 4584)]