30365920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1123}}^1$

素因数の和:1164

約数の個数: 72

約数和(自身を含む): 77751576

約数和(自身を除く): 47385656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1123, 1352, 1690, 2080, 2246, 2704, 3380, 4492, 5408, 5615, 6760, 8984, 11230, 13520, 14599, 17968, 22460, 27040, 29198, 35936, 44920, 58396, 72995, 89840, 116792, 145990, 179680, 189787, 233584, 291980, 379574, 467168, 583960, 759148, 948935, 1167920, 1518296, 1897870, 2335840, 3036592, 3795740, 6073184, 7591480, 15182960, 30365920]

約数ペア:

[(1, 30365920), (2, 15182960), (4, 7591480), (5, 6073184), (8, 3795740), (10, 3036592), (13, 2335840), (16, 1897870), (20, 1518296), (26, 1167920), (32, 948935), (40, 759148), (52, 583960), (65, 467168), (80, 379574), (104, 291980), (130, 233584), (160, 189787), (169, 179680), (208, 145990), (260, 116792), (338, 89840), (416, 72995), (520, 58396), (676, 44920), (845, 35936), (1040, 29198), (1123, 27040), (1352, 22460), (1690, 17968), (2080, 14599), (2246, 13520), (2704, 11230), (3380, 8984), (4492, 6760), (5408, 5615)]