31616880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 99041280

約数和(自身を除く): 67424400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1279, 1545, 1648, 2060, 2472, 2558, 3090, 3837, 4120, 4944, 5116, 6180, 6395, 7674, 8240, 10232, 12360, 12790, 15348, 19185, 20464, 24720, 25580, 30696, 38370, 51160, 61392, 76740, 102320, 131737, 153480, 263474, 306960, 395211, 526948, 658685, 790422, 1053896, 1317370, 1580844, 1976055, 2107792, 2634740, 3161688, 3952110, 5269480, 6323376, 7904220, 10538960, 15808440, 31616880]

約数ペア:

[(1, 31616880), (2, 15808440), (3, 10538960), (4, 7904220), (5, 6323376), (6, 5269480), (8, 3952110), (10, 3161688), (12, 2634740), (15, 2107792), (16, 1976055), (20, 1580844), (24, 1317370), (30, 1053896), (40, 790422), (48, 658685), (60, 526948), (80, 395211), (103, 306960), (120, 263474), (206, 153480), (240, 131737), (309, 102320), (412, 76740), (515, 61392), (618, 51160), (824, 38370), (1030, 30696), (1236, 25580), (1279, 24720), (1545, 20464), (1648, 19185), (2060, 15348), (2472, 12790), (2558, 12360), (3090, 10232), (3837, 8240), (4120, 7674), (4944, 6395), (5116, 6180)]