668809872

素因数分解:

$2^4\times 3^5\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 180

約数和(自身を含む): 2016902160

約数和(自身を除く): 1348092288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 179, 186, 216, 243, 248, 279, 324, 358, 372, 432, 486, 496, 537, 558, 648, 716, 744, 837, 961, 972, 1074, 1116, 1296, 1432, 1488, 1611, 1674, 1922, 1944, 2148, 2232, 2511, 2864, 2883, 3222, 3348, 3844, 3888, 4296, 4464, 4833, 5022, 5549, 5766, 6444, 6696, 7533, 7688, 8592, 8649, 9666, 10044, 11098, 11532, 12888, 13392, 14499, 15066, 15376, 16647, 17298, 19332, 20088, 22196, 23064, 25776, 25947, 28998, 30132, 33294, 34596, 38664, 40176, 43497, 44392, 46128, 49941, 51894, 57996, 60264, 66588, 69192, 77328, 77841, 86994, 88784, 99882, 103788, 115992, 120528, 133176, 138384, 149823, 155682, 172019, 173988, 199764, 207576, 231984, 233523, 266352, 299646, 311364, 344038, 347976, 399528, 415152, 449469, 467046, 516057, 599292, 622728, 688076, 695952, 799056, 898938, 934092, 1032114, 1198584, 1245456, 1348407, 1376152, 1548171, 1797876, 1868184, 2064228, 2397168, 2696814, 2752304, 3096342, 3595752, 3736368, 4128456, 4644513, 5393628, 6192684, 7191504, 8256912, 9289026, 10787256, 12385368, 13933539, 18578052, 21574512, 24770736, 27867078, 37156104, 41800617, 55734156, 74312208, 83601234, 111468312, 167202468, 222936624, 334404936, 668809872]

約数ペア:

[(1, 668809872), (2, 334404936), (3, 222936624), (4, 167202468), (6, 111468312), (8, 83601234), (9, 74312208), (12, 55734156), (16, 41800617), (18, 37156104), (24, 27867078), (27, 24770736), (31, 21574512), (36, 18578052), (48, 13933539), (54, 12385368), (62, 10787256), (72, 9289026), (81, 8256912), (93, 7191504), (108, 6192684), (124, 5393628), (144, 4644513), (162, 4128456), (179, 3736368), (186, 3595752), (216, 3096342), (243, 2752304), (248, 2696814), (279, 2397168), (324, 2064228), (358, 1868184), (372, 1797876), (432, 1548171), (486, 1376152), (496, 1348407), (537, 1245456), (558, 1198584), (648, 1032114), (716, 934092), (744, 898938), (837, 799056), (961, 695952), (972, 688076), (1074, 622728), (1116, 599292), (1296, 516057), (1432, 467046), (1488, 449469), (1611, 415152), (1674, 399528), (1922, 347976), (1944, 344038), (2148, 311364), (2232, 299646), (2511, 266352), (2864, 233523), (2883, 231984), (3222, 207576), (3348, 199764), (3844, 173988), (3888, 172019), (4296, 155682), (4464, 149823), (4833, 138384), (5022, 133176), (5549, 120528), (5766, 115992), (6444, 103788), (6696, 99882), (7533, 88784), (7688, 86994), (8592, 77841), (8649, 77328), (9666, 69192), (10044, 66588), (11098, 60264), (11532, 57996), (12888, 51894), (13392, 49941), (14499, 46128), (15066, 44392), (15376, 43497), (16647, 40176), (17298, 38664), (19332, 34596), (20088, 33294), (22196, 30132), (23064, 28998), (25776, 25947)]