138671640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385199}}^1$

素因数の和:385216

約数の個数: 48

約数和(自身を含む): 450684000

約数和(自身を除く): 312012360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385199, 770398, 1155597, 1540796, 1925995, 2311194, 3081592, 3466791, 3851990, 4622388, 5777985, 6933582, 7703980, 9244776, 11555970, 13867164, 15407960, 17333955, 23111940, 27734328, 34667910, 46223880, 69335820, 138671640]

約数ペア:

[(1, 138671640), (2, 69335820), (3, 46223880), (4, 34667910), (5, 27734328), (6, 23111940), (8, 17333955), (9, 15407960), (10, 13867164), (12, 11555970), (15, 9244776), (18, 7703980), (20, 6933582), (24, 5777985), (30, 4622388), (36, 3851990), (40, 3466791), (45, 3081592), (60, 2311194), (72, 1925995), (90, 1540796), (120, 1155597), (180, 770398), (360, 385199)]