661245984

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{15619}}^1$

素因数の和:15652

約数の個数: 144

約数和(自身を含む): 2243656800

約数和(自身を除く): 1582410816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1512, 1568, 1764, 2016, 2352, 2646, 3024, 3528, 4704, 5292, 6048, 7056, 10584, 14112, 15619, 21168, 31238, 42336, 46857, 62476, 93714, 109333, 124952, 140571, 187428, 218666, 249904, 281142, 327999, 374856, 421713, 437332, 499808, 562284, 655998, 749712, 765331, 843426, 874664, 983997, 1124568, 1311996, 1499424, 1530662, 1686852, 1749328, 1967994, 2249136, 2295993, 2623992, 2951991, 3061324, 3373704, 3498656, 3935988, 4498272, 4591986, 5247984, 5903982, 6122648, 6747408, 6887979, 7871976, 9183972, 10495968, 11807964, 12245296, 13494816, 13775958, 15743952, 18367944, 20663937, 23615928, 24490592, 27551916, 31487904, 36735888, 41327874, 47231856, 55103832, 73471776, 82655748, 94463712, 110207664, 165311496, 220415328, 330622992, 661245984]

約数ペア:

[(1, 661245984), (2, 330622992), (3, 220415328), (4, 165311496), (6, 110207664), (7, 94463712), (8, 82655748), (9, 73471776), (12, 55103832), (14, 47231856), (16, 41327874), (18, 36735888), (21, 31487904), (24, 27551916), (27, 24490592), (28, 23615928), (32, 20663937), (36, 18367944), (42, 15743952), (48, 13775958), (49, 13494816), (54, 12245296), (56, 11807964), (63, 10495968), (72, 9183972), (84, 7871976), (96, 6887979), (98, 6747408), (108, 6122648), (112, 5903982), (126, 5247984), (144, 4591986), (147, 4498272), (168, 3935988), (189, 3498656), (196, 3373704), (216, 3061324), (224, 2951991), (252, 2623992), (288, 2295993), (294, 2249136), (336, 1967994), (378, 1749328), (392, 1686852), (432, 1530662), (441, 1499424), (504, 1311996), (588, 1124568), (672, 983997), (756, 874664), (784, 843426), (864, 765331), (882, 749712), (1008, 655998), (1176, 562284), (1323, 499808), (1512, 437332), (1568, 421713), (1764, 374856), (2016, 327999), (2352, 281142), (2646, 249904), (3024, 218666), (3528, 187428), (4704, 140571), (5292, 124952), (6048, 109333), (7056, 93714), (10584, 62476), (14112, 46857), (15619, 42336), (21168, 31238)]