19690560

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 224

約数和(自身を含む): 72420480

約数和(自身を除く): 52729920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 53, 54, 60, 64, 72, 80, 86, 90, 96, 106, 108, 120, 129, 135, 144, 159, 160, 172, 180, 192, 212, 215, 216, 240, 258, 265, 270, 288, 318, 320, 344, 360, 387, 424, 430, 432, 477, 480, 516, 530, 540, 576, 636, 645, 688, 720, 774, 795, 848, 860, 864, 954, 960, 1032, 1060, 1080, 1161, 1272, 1290, 1376, 1431, 1440, 1548, 1590, 1696, 1720, 1728, 1908, 1935, 2064, 2120, 2160, 2279, 2322, 2385, 2544, 2580, 2752, 2862, 2880, 3096, 3180, 3392, 3440, 3816, 3870, 4128, 4240, 4320, 4558, 4644, 4770, 5088, 5160, 5724, 5805, 6192, 6360, 6837, 6880, 7155, 7632, 7740, 8256, 8480, 8640, 9116, 9288, 9540, 10176, 10320, 11395, 11448, 11610, 12384, 12720, 13674, 13760, 14310, 15264, 15480, 16960, 18232, 18576, 19080, 20511, 20640, 22790, 22896, 23220, 24768, 25440, 27348, 28620, 30528, 30960, 34185, 36464, 37152, 38160, 41022, 41280, 45580, 45792, 46440, 50880, 54696, 57240, 61533, 61920, 68370, 72928, 74304, 76320, 82044, 91160, 91584, 92880, 102555, 109392, 114480, 123066, 123840, 136740, 145856, 152640, 164088, 182320, 185760, 205110, 218784, 228960, 246132, 273480, 307665, 328176, 364640, 371520, 410220, 437568, 457920, 492264, 546960, 615330, 656352, 729280, 820440, 984528, 1093920, 1230660, 1312704, 1640880, 1969056, 2187840, 2461320, 3281760, 3938112, 4922640, 6563520, 9845280, 19690560]

約数ペア:

[(1, 19690560), (2, 9845280), (3, 6563520), (4, 4922640), (5, 3938112), (6, 3281760), (8, 2461320), (9, 2187840), (10, 1969056), (12, 1640880), (15, 1312704), (16, 1230660), (18, 1093920), (20, 984528), (24, 820440), (27, 729280), (30, 656352), (32, 615330), (36, 546960), (40, 492264), (43, 457920), (45, 437568), (48, 410220), (53, 371520), (54, 364640), (60, 328176), (64, 307665), (72, 273480), (80, 246132), (86, 228960), (90, 218784), (96, 205110), (106, 185760), (108, 182320), (120, 164088), (129, 152640), (135, 145856), (144, 136740), (159, 123840), (160, 123066), (172, 114480), (180, 109392), (192, 102555), (212, 92880), (215, 91584), (216, 91160), (240, 82044), (258, 76320), (265, 74304), (270, 72928), (288, 68370), (318, 61920), (320, 61533), (344, 57240), (360, 54696), (387, 50880), (424, 46440), (430, 45792), (432, 45580), (477, 41280), (480, 41022), (516, 38160), (530, 37152), (540, 36464), (576, 34185), (636, 30960), (645, 30528), (688, 28620), (720, 27348), (774, 25440), (795, 24768), (848, 23220), (860, 22896), (864, 22790), (954, 20640), (960, 20511), (1032, 19080), (1060, 18576), (1080, 18232), (1161, 16960), (1272, 15480), (1290, 15264), (1376, 14310), (1431, 13760), (1440, 13674), (1548, 12720), (1590, 12384), (1696, 11610), (1720, 11448), (1728, 11395), (1908, 10320), (1935, 10176), (2064, 9540), (2120, 9288), (2160, 9116), (2279, 8640), (2322, 8480), (2385, 8256), (2544, 7740), (2580, 7632), (2752, 7155), (2862, 6880), (2880, 6837), (3096, 6360), (3180, 6192), (3392, 5805), (3440, 5724), (3816, 5160), (3870, 5088), (4128, 4770), (4240, 4644), (4320, 4558)]