68880224

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 159771024

約数和(自身を除く): 90890800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 71, 112, 122, 142, 224, 244, 284, 427, 488, 497, 568, 854, 976, 994, 1136, 1708, 1952, 1988, 2272, 3416, 3976, 4331, 5041, 6832, 7952, 8662, 10082, 13664, 15904, 17324, 20164, 30317, 34648, 35287, 40328, 60634, 69296, 70574, 80656, 121268, 138592, 141148, 161312, 242536, 282296, 307501, 485072, 564592, 615002, 970144, 1129184, 1230004, 2152507, 2460008, 4305014, 4920016, 8610028, 9840032, 17220056, 34440112, 68880224]

約数ペア:

[(1, 68880224), (2, 34440112), (4, 17220056), (7, 9840032), (8, 8610028), (14, 4920016), (16, 4305014), (28, 2460008), (32, 2152507), (56, 1230004), (61, 1129184), (71, 970144), (112, 615002), (122, 564592), (142, 485072), (224, 307501), (244, 282296), (284, 242536), (427, 161312), (488, 141148), (497, 138592), (568, 121268), (854, 80656), (976, 70574), (994, 69296), (1136, 60634), (1708, 40328), (1952, 35287), (1988, 34648), (2272, 30317), (3416, 20164), (3976, 17324), (4331, 15904), (5041, 13664), (6832, 10082), (7952, 8662)]