31224508740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{445937}}^1$

素因数の和:446341

約数の個数: 72

約数和(自身を含む): 94958037720

約数和(自身を除く): 63733528980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3890, 4668, 5835, 7002, 7780, 11670, 14004, 17505, 23340, 35010, 70020, 445937, 891874, 1337811, 1783748, 2229685, 2675622, 4013433, 4459370, 5351244, 6689055, 8026866, 8918740, 13378110, 16053732, 20067165, 26756220, 40134330, 80268660, 173469493, 346938986, 520408479, 693877972, 867347465, 1040816958, 1561225437, 1734694930, 2081633916, 2602042395, 3122450874, 3469389860, 5204084790, 6244901748, 7806127185, 10408169580, 15612254370, 31224508740]

約数ペア:

[(1, 31224508740), (2, 15612254370), (3, 10408169580), (4, 7806127185), (5, 6244901748), (6, 5204084790), (9, 3469389860), (10, 3122450874), (12, 2602042395), (15, 2081633916), (18, 1734694930), (20, 1561225437), (30, 1040816958), (36, 867347465), (45, 693877972), (60, 520408479), (90, 346938986), (180, 173469493), (389, 80268660), (778, 40134330), (1167, 26756220), (1556, 20067165), (1945, 16053732), (2334, 13378110), (3501, 8918740), (3890, 8026866), (4668, 6689055), (5835, 5351244), (7002, 4459370), (7780, 4013433), (11670, 2675622), (14004, 2229685), (17505, 1783748), (23340, 1337811), (35010, 891874), (70020, 445937)]