16720128

素因数分解:

$2^8\times 3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 51508800

約数和(自身を除く): 34788672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 59, 64, 72, 82, 96, 108, 118, 123, 128, 144, 164, 177, 192, 216, 236, 246, 256, 288, 328, 354, 369, 384, 432, 472, 492, 531, 576, 656, 708, 738, 768, 864, 944, 984, 1062, 1107, 1152, 1312, 1416, 1476, 1593, 1728, 1888, 1968, 2124, 2214, 2304, 2419, 2624, 2832, 2952, 3186, 3456, 3776, 3936, 4248, 4428, 4838, 5248, 5664, 5904, 6372, 6912, 7257, 7552, 7872, 8496, 8856, 9676, 10496, 11328, 11808, 12744, 14514, 15104, 15744, 16992, 17712, 19352, 21771, 22656, 23616, 25488, 29028, 31488, 33984, 35424, 38704, 43542, 45312, 47232, 50976, 58056, 65313, 67968, 70848, 77408, 87084, 94464, 101952, 116112, 130626, 135936, 141696, 154816, 174168, 203904, 232224, 261252, 283392, 309632, 348336, 407808, 464448, 522504, 619264, 696672, 928896, 1045008, 1393344, 1857792, 2090016, 2786688, 4180032, 5573376, 8360064, 16720128]

約数ペア:

[(1, 16720128), (2, 8360064), (3, 5573376), (4, 4180032), (6, 2786688), (8, 2090016), (9, 1857792), (12, 1393344), (16, 1045008), (18, 928896), (24, 696672), (27, 619264), (32, 522504), (36, 464448), (41, 407808), (48, 348336), (54, 309632), (59, 283392), (64, 261252), (72, 232224), (82, 203904), (96, 174168), (108, 154816), (118, 141696), (123, 135936), (128, 130626), (144, 116112), (164, 101952), (177, 94464), (192, 87084), (216, 77408), (236, 70848), (246, 67968), (256, 65313), (288, 58056), (328, 50976), (354, 47232), (369, 45312), (384, 43542), (432, 38704), (472, 35424), (492, 33984), (531, 31488), (576, 29028), (656, 25488), (708, 23616), (738, 22656), (768, 21771), (864, 19352), (944, 17712), (984, 16992), (1062, 15744), (1107, 15104), (1152, 14514), (1312, 12744), (1416, 11808), (1476, 11328), (1593, 10496), (1728, 9676), (1888, 8856), (1968, 8496), (2124, 7872), (2214, 7552), (2304, 7257), (2419, 6912), (2624, 6372), (2832, 5904), (2952, 5664), (3186, 5248), (3456, 4838), (3776, 4428), (3936, 4248)]