217489440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 192

約数和(自身を含む): 799545600

約数和(自身を除く): 582056160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1321, 1372, 1470, 1568, 1680, 1715, 1960, 2058, 2352, 2642, 2744, 2940, 3360, 3430, 3920, 3963, 4116, 4704, 5145, 5284, 5488, 5880, 6605, 6860, 7840, 7926, 8232, 9247, 10290, 10568, 10976, 11760, 13210, 13720, 15852, 16464, 18494, 19815, 20580, 21136, 23520, 26420, 27440, 27741, 31704, 32928, 36988, 39630, 41160, 42272, 46235, 52840, 54880, 55482, 63408, 64729, 73976, 79260, 82320, 92470, 105680, 110964, 126816, 129458, 138705, 147952, 158520, 164640, 184940, 194187, 211360, 221928, 258916, 277410, 295904, 317040, 323645, 369880, 388374, 443856, 453103, 517832, 554820, 634080, 647290, 739760, 776748, 887712, 906206, 970935, 1035664, 1109640, 1294580, 1359309, 1479520, 1553496, 1812412, 1941870, 2071328, 2219280, 2265515, 2589160, 2718618, 3106992, 3624824, 3883740, 4438560, 4531030, 5178320, 5437236, 6213984, 6796545, 7249648, 7767480, 9062060, 10356640, 10874472, 13593090, 14499296, 15534960, 18124120, 21748944, 27186180, 31069920, 36248240, 43497888, 54372360, 72496480, 108744720, 217489440]

約数ペア:

[(1, 217489440), (2, 108744720), (3, 72496480), (4, 54372360), (5, 43497888), (6, 36248240), (7, 31069920), (8, 27186180), (10, 21748944), (12, 18124120), (14, 15534960), (15, 14499296), (16, 13593090), (20, 10874472), (21, 10356640), (24, 9062060), (28, 7767480), (30, 7249648), (32, 6796545), (35, 6213984), (40, 5437236), (42, 5178320), (48, 4531030), (49, 4438560), (56, 3883740), (60, 3624824), (70, 3106992), (80, 2718618), (84, 2589160), (96, 2265515), (98, 2219280), (105, 2071328), (112, 1941870), (120, 1812412), (140, 1553496), (147, 1479520), (160, 1359309), (168, 1294580), (196, 1109640), (210, 1035664), (224, 970935), (240, 906206), (245, 887712), (280, 776748), (294, 739760), (336, 647290), (343, 634080), (392, 554820), (420, 517832), (480, 453103), (490, 443856), (560, 388374), (588, 369880), (672, 323645), (686, 317040), (735, 295904), (784, 277410), (840, 258916), (980, 221928), (1029, 211360), (1120, 194187), (1176, 184940), (1321, 164640), (1372, 158520), (1470, 147952), (1568, 138705), (1680, 129458), (1715, 126816), (1960, 110964), (2058, 105680), (2352, 92470), (2642, 82320), (2744, 79260), (2940, 73976), (3360, 64729), (3430, 63408), (3920, 55482), (3963, 54880), (4116, 52840), (4704, 46235), (5145, 42272), (5284, 41160), (5488, 39630), (5880, 36988), (6605, 32928), (6860, 31704), (7840, 27741), (7926, 27440), (8232, 26420), (9247, 23520), (10290, 21136), (10568, 20580), (10976, 19815), (11760, 18494), (13210, 16464), (13720, 15852)]