31789920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 96

約数和(自身を含む): 101267712

約数和(自身を除く): 69477792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 103, 120, 160, 206, 240, 309, 412, 480, 515, 618, 643, 824, 1030, 1236, 1286, 1545, 1648, 1929, 2060, 2472, 2572, 3090, 3215, 3296, 3858, 4120, 4944, 5144, 6180, 6430, 7716, 8240, 9645, 9888, 10288, 12360, 12860, 15432, 16480, 19290, 20576, 24720, 25720, 30864, 38580, 49440, 51440, 61728, 66229, 77160, 102880, 132458, 154320, 198687, 264916, 308640, 331145, 397374, 529832, 662290, 794748, 993435, 1059664, 1324580, 1589496, 1986870, 2119328, 2649160, 3178992, 3973740, 5298320, 6357984, 7947480, 10596640, 15894960, 31789920]

約数ペア:

[(1, 31789920), (2, 15894960), (3, 10596640), (4, 7947480), (5, 6357984), (6, 5298320), (8, 3973740), (10, 3178992), (12, 2649160), (15, 2119328), (16, 1986870), (20, 1589496), (24, 1324580), (30, 1059664), (32, 993435), (40, 794748), (48, 662290), (60, 529832), (80, 397374), (96, 331145), (103, 308640), (120, 264916), (160, 198687), (206, 154320), (240, 132458), (309, 102880), (412, 77160), (480, 66229), (515, 61728), (618, 51440), (643, 49440), (824, 38580), (1030, 30864), (1236, 25720), (1286, 24720), (1545, 20576), (1648, 19290), (1929, 16480), (2060, 15432), (2472, 12860), (2572, 12360), (3090, 10288), (3215, 9888), (3296, 9645), (3858, 8240), (4120, 7716), (4944, 6430), (5144, 6180)]