64888740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1051}}^1$

素因数の和:1087

約数の個数: 144

約数和(自身を含む): 229756800

約数和(自身を除く): 164868060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1051, 1260, 1372, 1470, 1715, 1764, 2058, 2102, 2205, 2940, 3087, 3153, 3430, 4116, 4204, 4410, 5145, 5255, 6174, 6306, 6860, 7357, 8820, 9459, 10290, 10510, 12348, 12612, 14714, 15435, 15765, 18918, 20580, 21020, 22071, 29428, 30870, 31530, 36785, 37836, 44142, 47295, 51499, 61740, 63060, 66213, 73570, 88284, 94590, 102998, 110355, 132426, 147140, 154497, 189180, 205996, 220710, 257495, 264852, 308994, 331065, 360493, 441420, 463491, 514990, 617988, 662130, 720986, 772485, 926982, 1029980, 1081479, 1324260, 1441972, 1544970, 1802465, 1853964, 2162958, 2317455, 3089940, 3244437, 3604930, 4325916, 4634910, 5407395, 6488874, 7209860, 9269820, 10814790, 12977748, 16222185, 21629580, 32444370, 64888740]

約数ペア:

[(1, 64888740), (2, 32444370), (3, 21629580), (4, 16222185), (5, 12977748), (6, 10814790), (7, 9269820), (9, 7209860), (10, 6488874), (12, 5407395), (14, 4634910), (15, 4325916), (18, 3604930), (20, 3244437), (21, 3089940), (28, 2317455), (30, 2162958), (35, 1853964), (36, 1802465), (42, 1544970), (45, 1441972), (49, 1324260), (60, 1081479), (63, 1029980), (70, 926982), (84, 772485), (90, 720986), (98, 662130), (105, 617988), (126, 514990), (140, 463491), (147, 441420), (180, 360493), (196, 331065), (210, 308994), (245, 264852), (252, 257495), (294, 220710), (315, 205996), (343, 189180), (420, 154497), (441, 147140), (490, 132426), (588, 110355), (630, 102998), (686, 94590), (735, 88284), (882, 73570), (980, 66213), (1029, 63060), (1051, 61740), (1260, 51499), (1372, 47295), (1470, 44142), (1715, 37836), (1764, 36785), (2058, 31530), (2102, 30870), (2205, 29428), (2940, 22071), (3087, 21020), (3153, 20580), (3430, 18918), (4116, 15765), (4204, 15435), (4410, 14714), (5145, 12612), (5255, 12348), (6174, 10510), (6306, 10290), (6860, 9459), (7357, 8820)]