172071680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^3\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 457839648

約数和(自身を除く): 285767968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 101, 110, 121, 128, 160, 176, 202, 220, 242, 256, 320, 352, 404, 440, 484, 505, 605, 640, 704, 808, 880, 968, 1010, 1111, 1210, 1280, 1331, 1408, 1616, 1760, 1936, 2020, 2222, 2420, 2662, 2816, 3232, 3520, 3872, 4040, 4444, 4840, 5324, 5555, 6464, 6655, 7040, 7744, 8080, 8888, 9680, 10648, 11110, 12221, 12928, 13310, 14080, 15488, 16160, 17776, 19360, 21296, 22220, 24442, 25856, 26620, 30976, 32320, 35552, 38720, 42592, 44440, 48884, 53240, 61105, 64640, 71104, 77440, 85184, 88880, 97768, 106480, 122210, 129280, 134431, 142208, 154880, 170368, 177760, 195536, 212960, 244420, 268862, 284416, 340736, 355520, 391072, 425920, 488840, 537724, 672155, 711040, 782144, 851840, 977680, 1075448, 1344310, 1422080, 1564288, 1703680, 1955360, 2150896, 2688620, 3128576, 3910720, 4301792, 5377240, 7821440, 8603584, 10754480, 15642880, 17207168, 21508960, 34414336, 43017920, 86035840, 172071680]

約数ペア:

[(1, 172071680), (2, 86035840), (4, 43017920), (5, 34414336), (8, 21508960), (10, 17207168), (11, 15642880), (16, 10754480), (20, 8603584), (22, 7821440), (32, 5377240), (40, 4301792), (44, 3910720), (55, 3128576), (64, 2688620), (80, 2150896), (88, 1955360), (101, 1703680), (110, 1564288), (121, 1422080), (128, 1344310), (160, 1075448), (176, 977680), (202, 851840), (220, 782144), (242, 711040), (256, 672155), (320, 537724), (352, 488840), (404, 425920), (440, 391072), (484, 355520), (505, 340736), (605, 284416), (640, 268862), (704, 244420), (808, 212960), (880, 195536), (968, 177760), (1010, 170368), (1111, 154880), (1210, 142208), (1280, 134431), (1331, 129280), (1408, 122210), (1616, 106480), (1760, 97768), (1936, 88880), (2020, 85184), (2222, 77440), (2420, 71104), (2662, 64640), (2816, 61105), (3232, 53240), (3520, 48884), (3872, 44440), (4040, 42592), (4444, 38720), (4840, 35552), (5324, 32320), (5555, 30976), (6464, 26620), (6655, 25856), (7040, 24442), (7744, 22220), (8080, 21296), (8888, 19360), (9680, 17776), (10648, 16160), (11110, 15488), (12221, 14080), (12928, 13310)]