80190900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89101}}^1$

素因数の和:89121

約数の個数: 54

約数和(自身を含む): 251356742

約数和(自身を除く): 171165842

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 89101, 178202, 267303, 356404, 445505, 534606, 801909, 891010, 1069212, 1336515, 1603818, 1782020, 2227525, 2673030, 3207636, 4009545, 4455050, 5346060, 6682575, 8019090, 8910100, 13365150, 16038180, 20047725, 26730300, 40095450, 80190900]

約数ペア:

[(1, 80190900), (2, 40095450), (3, 26730300), (4, 20047725), (5, 16038180), (6, 13365150), (9, 8910100), (10, 8019090), (12, 6682575), (15, 5346060), (18, 4455050), (20, 4009545), (25, 3207636), (30, 2673030), (36, 2227525), (45, 1782020), (50, 1603818), (60, 1336515), (75, 1069212), (90, 891010), (100, 801909), (150, 534606), (180, 445505), (225, 356404), (300, 267303), (450, 178202), (900, 89101)]