217645120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 224

約数和(自身を含む): 660416256

約数和(自身を除く): 442771136

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 73, 77, 80, 88, 110, 112, 121, 140, 146, 154, 160, 176, 220, 224, 242, 280, 292, 308, 320, 352, 365, 385, 440, 448, 484, 511, 560, 584, 605, 616, 704, 730, 770, 803, 847, 880, 968, 1022, 1120, 1168, 1210, 1232, 1331, 1460, 1540, 1606, 1694, 1760, 1936, 2044, 2240, 2336, 2420, 2464, 2555, 2662, 2920, 3080, 3212, 3388, 3520, 3872, 4015, 4088, 4235, 4672, 4840, 4928, 5110, 5324, 5621, 5840, 6160, 6424, 6655, 6776, 7744, 8030, 8176, 8470, 8833, 9317, 9680, 10220, 10648, 11242, 11680, 12320, 12848, 13310, 13552, 16060, 16352, 16940, 17666, 18634, 19360, 20440, 21296, 22484, 23360, 24640, 25696, 26620, 27104, 28105, 32120, 32704, 33880, 35332, 37268, 38720, 40880, 42592, 44165, 44968, 46585, 51392, 53240, 54208, 56210, 61831, 64240, 67760, 70664, 74536, 81760, 85184, 88330, 89936, 93170, 97163, 106480, 112420, 123662, 128480, 135520, 141328, 149072, 163520, 176660, 179872, 186340, 194326, 212960, 224840, 247324, 256960, 271040, 282656, 298144, 309155, 353320, 359744, 372680, 388652, 425920, 449680, 485815, 494648, 565312, 596288, 618310, 680141, 706640, 745360, 777304, 899360, 971630, 989296, 1236620, 1360282, 1413280, 1490720, 1554608, 1798720, 1943260, 1978592, 2473240, 2720564, 2826560, 2981440, 3109216, 3400705, 3886520, 3957184, 4946480, 5441128, 6218432, 6801410, 7773040, 9892960, 10882256, 13602820, 15546080, 19785920, 21764512, 27205640, 31092160, 43529024, 54411280, 108822560, 217645120]

約数ペア:

[(1, 217645120), (2, 108822560), (4, 54411280), (5, 43529024), (7, 31092160), (8, 27205640), (10, 21764512), (11, 19785920), (14, 15546080), (16, 13602820), (20, 10882256), (22, 9892960), (28, 7773040), (32, 6801410), (35, 6218432), (40, 5441128), (44, 4946480), (55, 3957184), (56, 3886520), (64, 3400705), (70, 3109216), (73, 2981440), (77, 2826560), (80, 2720564), (88, 2473240), (110, 1978592), (112, 1943260), (121, 1798720), (140, 1554608), (146, 1490720), (154, 1413280), (160, 1360282), (176, 1236620), (220, 989296), (224, 971630), (242, 899360), (280, 777304), (292, 745360), (308, 706640), (320, 680141), (352, 618310), (365, 596288), (385, 565312), (440, 494648), (448, 485815), (484, 449680), (511, 425920), (560, 388652), (584, 372680), (605, 359744), (616, 353320), (704, 309155), (730, 298144), (770, 282656), (803, 271040), (847, 256960), (880, 247324), (968, 224840), (1022, 212960), (1120, 194326), (1168, 186340), (1210, 179872), (1232, 176660), (1331, 163520), (1460, 149072), (1540, 141328), (1606, 135520), (1694, 128480), (1760, 123662), (1936, 112420), (2044, 106480), (2240, 97163), (2336, 93170), (2420, 89936), (2464, 88330), (2555, 85184), (2662, 81760), (2920, 74536), (3080, 70664), (3212, 67760), (3388, 64240), (3520, 61831), (3872, 56210), (4015, 54208), (4088, 53240), (4235, 51392), (4672, 46585), (4840, 44968), (4928, 44165), (5110, 42592), (5324, 40880), (5621, 38720), (5840, 37268), (6160, 35332), (6424, 33880), (6655, 32704), (6776, 32120), (7744, 28105), (8030, 27104), (8176, 26620), (8470, 25696), (8833, 24640), (9317, 23360), (9680, 22484), (10220, 21296), (10648, 20440), (11242, 19360), (11680, 18634), (12320, 17666), (12848, 16940), (13310, 16352), (13552, 16060)]