213781920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2179

約数の個数: 192

約数和(自身を含む): 773660160

約数和(自身を除く): 559878240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 760, 836, 880, 912, 1045, 1056, 1140, 1254, 1320, 1520, 1672, 1760, 1824, 2090, 2131, 2280, 2508, 2640, 3040, 3135, 3344, 4180, 4262, 4560, 5016, 5280, 6270, 6393, 6688, 8360, 8524, 9120, 10032, 10655, 12540, 12786, 16720, 17048, 20064, 21310, 23441, 25080, 25572, 31965, 33440, 34096, 40489, 42620, 46882, 50160, 51144, 63930, 68192, 70323, 80978, 85240, 93764, 100320, 102288, 117205, 121467, 127860, 140646, 161956, 170480, 187528, 202445, 204576, 234410, 242934, 255720, 281292, 323912, 340960, 351615, 375056, 404890, 445379, 468820, 485868, 511440, 562584, 607335, 647824, 703230, 750112, 809780, 890758, 937640, 971736, 1022880, 1125168, 1214670, 1295648, 1336137, 1406460, 1619560, 1781516, 1875280, 1943472, 2226895, 2250336, 2429340, 2672274, 2812920, 3239120, 3563032, 3750560, 3886944, 4453790, 4858680, 5344548, 5625840, 6478240, 6680685, 7126064, 8907580, 9717360, 10689096, 11251680, 13361370, 14252128, 17815160, 19434720, 21378192, 26722740, 35630320, 42756384, 53445480, 71260640, 106890960, 213781920]

約数ペア:

[(1, 213781920), (2, 106890960), (3, 71260640), (4, 53445480), (5, 42756384), (6, 35630320), (8, 26722740), (10, 21378192), (11, 19434720), (12, 17815160), (15, 14252128), (16, 13361370), (19, 11251680), (20, 10689096), (22, 9717360), (24, 8907580), (30, 7126064), (32, 6680685), (33, 6478240), (38, 5625840), (40, 5344548), (44, 4858680), (48, 4453790), (55, 3886944), (57, 3750560), (60, 3563032), (66, 3239120), (76, 2812920), (80, 2672274), (88, 2429340), (95, 2250336), (96, 2226895), (110, 1943472), (114, 1875280), (120, 1781516), (132, 1619560), (152, 1406460), (160, 1336137), (165, 1295648), (176, 1214670), (190, 1125168), (209, 1022880), (220, 971736), (228, 937640), (240, 890758), (264, 809780), (285, 750112), (304, 703230), (330, 647824), (352, 607335), (380, 562584), (418, 511440), (440, 485868), (456, 468820), (480, 445379), (528, 404890), (570, 375056), (608, 351615), (627, 340960), (660, 323912), (760, 281292), (836, 255720), (880, 242934), (912, 234410), (1045, 204576), (1056, 202445), (1140, 187528), (1254, 170480), (1320, 161956), (1520, 140646), (1672, 127860), (1760, 121467), (1824, 117205), (2090, 102288), (2131, 100320), (2280, 93764), (2508, 85240), (2640, 80978), (3040, 70323), (3135, 68192), (3344, 63930), (4180, 51144), (4262, 50160), (4560, 46882), (5016, 42620), (5280, 40489), (6270, 34096), (6393, 33440), (6688, 31965), (8360, 25572), (8524, 25080), (9120, 23441), (10032, 21310), (10655, 20064), (12540, 17048), (12786, 16720)]