320672880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 240

約数和(自身を含む): 1237242240

約数和(自身を除く): 916569360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1520, 1584, 1672, 1710, 1881, 1980, 2090, 2131, 2280, 2508, 2640, 2736, 3135, 3344, 3420, 3762, 3960, 4180, 4262, 4560, 5016, 6270, 6393, 6840, 7524, 7920, 8360, 8524, 9405, 10032, 10655, 12540, 12786, 13680, 15048, 16720, 17048, 18810, 19179, 21310, 23441, 25080, 25572, 30096, 31965, 34096, 37620, 38358, 40489, 42620, 46882, 50160, 51144, 63930, 70323, 75240, 76716, 80978, 85240, 93764, 95895, 102288, 117205, 121467, 127860, 140646, 150480, 153432, 161956, 170480, 187528, 191790, 202445, 210969, 234410, 242934, 255720, 281292, 306864, 323912, 351615, 364401, 375056, 383580, 404890, 421938, 445379, 468820, 485868, 511440, 562584, 607335, 647824, 703230, 728802, 767160, 809780, 843876, 890758, 937640, 971736, 1054845, 1125168, 1214670, 1336137, 1406460, 1457604, 1534320, 1619560, 1687752, 1781516, 1822005, 1875280, 1943472, 2109690, 2226895, 2429340, 2672274, 2812920, 2915208, 3239120, 3375504, 3563032, 3644010, 4008411, 4219380, 4453790, 4858680, 5344548, 5625840, 5830416, 6680685, 7126064, 7288020, 8016822, 8438760, 8907580, 9717360, 10689096, 13361370, 14576040, 16033644, 16877520, 17815160, 20042055, 21378192, 26722740, 29152080, 32067288, 35630320, 40084110, 53445480, 64134576, 80168220, 106890960, 160336440, 320672880]

約数ペア:

[(1, 320672880), (2, 160336440), (3, 106890960), (4, 80168220), (5, 64134576), (6, 53445480), (8, 40084110), (9, 35630320), (10, 32067288), (11, 29152080), (12, 26722740), (15, 21378192), (16, 20042055), (18, 17815160), (19, 16877520), (20, 16033644), (22, 14576040), (24, 13361370), (30, 10689096), (33, 9717360), (36, 8907580), (38, 8438760), (40, 8016822), (44, 7288020), (45, 7126064), (48, 6680685), (55, 5830416), (57, 5625840), (60, 5344548), (66, 4858680), (72, 4453790), (76, 4219380), (80, 4008411), (88, 3644010), (90, 3563032), (95, 3375504), (99, 3239120), (110, 2915208), (114, 2812920), (120, 2672274), (132, 2429340), (144, 2226895), (152, 2109690), (165, 1943472), (171, 1875280), (176, 1822005), (180, 1781516), (190, 1687752), (198, 1619560), (209, 1534320), (220, 1457604), (228, 1406460), (240, 1336137), (264, 1214670), (285, 1125168), (304, 1054845), (330, 971736), (342, 937640), (360, 890758), (380, 843876), (396, 809780), (418, 767160), (440, 728802), (456, 703230), (495, 647824), (528, 607335), (570, 562584), (627, 511440), (660, 485868), (684, 468820), (720, 445379), (760, 421938), (792, 404890), (836, 383580), (855, 375056), (880, 364401), (912, 351615), (990, 323912), (1045, 306864), (1140, 281292), (1254, 255720), (1320, 242934), (1368, 234410), (1520, 210969), (1584, 202445), (1672, 191790), (1710, 187528), (1881, 170480), (1980, 161956), (2090, 153432), (2131, 150480), (2280, 140646), (2508, 127860), (2640, 121467), (2736, 117205), (3135, 102288), (3344, 95895), (3420, 93764), (3762, 85240), (3960, 80978), (4180, 76716), (4262, 75240), (4560, 70323), (5016, 63930), (6270, 51144), (6393, 50160), (6840, 46882), (7524, 42620), (7920, 40489), (8360, 38358), (8524, 37620), (9405, 34096), (10032, 31965), (10655, 30096), (12540, 25572), (12786, 25080), (13680, 23441), (15048, 21310), (16720, 19179), (17048, 18810)]