1640392992

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{38747}}^1$

素因数の和:38780

約数の個数: 144

約数和(自身を含む): 5565762720

約数和(自身を除く): 3925369728

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, 21168, 38747, 42336, 77494, 116241, 154988, 232482, 271229, 309976, 348723, 464964, 542458, 619952, 697446, 813687, 929928, 1046169, 1084916, 1239904, 1394892, 1627374, 1859856, 1898603, 2092338, 2169832, 2441061, 2789784, 3254748, 3719712, 3797206, 4184676, 4339664, 4882122, 5579568, 5695809, 6509496, 7323183, 7594412, 8369352, 8679328, 9764244, 11159136, 11391618, 13018992, 14646366, 15188824, 16738704, 17087427, 19528488, 22783236, 26037984, 29292732, 30377648, 33477408, 34174854, 39056976, 45566472, 51262281, 58585464, 60755296, 68349708, 78113952, 91132944, 102524562, 117170928, 136699416, 182265888, 205049124, 234341856, 273398832, 410098248, 546797664, 820196496, 1640392992]

約数ペア:

[(1, 1640392992), (2, 820196496), (3, 546797664), (4, 410098248), (6, 273398832), (7, 234341856), (8, 205049124), (9, 182265888), (12, 136699416), (14, 117170928), (16, 102524562), (18, 91132944), (21, 78113952), (24, 68349708), (27, 60755296), (28, 58585464), (32, 51262281), (36, 45566472), (42, 39056976), (48, 34174854), (49, 33477408), (54, 30377648), (56, 29292732), (63, 26037984), (72, 22783236), (84, 19528488), (96, 17087427), (98, 16738704), (108, 15188824), (112, 14646366), (126, 13018992), (144, 11391618), (147, 11159136), (168, 9764244), (189, 8679328), (196, 8369352), (216, 7594412), (224, 7323183), (252, 6509496), (288, 5695809), (294, 5579568), (336, 4882122), (378, 4339664), (392, 4184676), (432, 3797206), (441, 3719712), (504, 3254748), (588, 2789784), (672, 2441061), (756, 2169832), (784, 2092338), (864, 1898603), (882, 1859856), (1008, 1627374), (1176, 1394892), (1323, 1239904), (1512, 1084916), (1568, 1046169), (1764, 929928), (2016, 813687), (2352, 697446), (2646, 619952), (3024, 542458), (3528, 464964), (4704, 348723), (5292, 309976), (6048, 271229), (7056, 232482), (10584, 154988), (14112, 116241), (21168, 77494), (38747, 42336)]