131221080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{121501}}^1$

素因数の和:121521

約数の個数: 64

約数和(自身を含む): 437407200

約数和(自身を除く): 306186120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 121501, 243002, 364503, 486004, 607505, 729006, 972008, 1093509, 1215010, 1458012, 1822515, 2187018, 2430020, 2916024, 3280527, 3645030, 4374036, 4860040, 5467545, 6561054, 7290060, 8748072, 10935090, 13122108, 14580120, 16402635, 21870180, 26244216, 32805270, 43740360, 65610540, 131221080]

約数ペア:

[(1, 131221080), (2, 65610540), (3, 43740360), (4, 32805270), (5, 26244216), (6, 21870180), (8, 16402635), (9, 14580120), (10, 13122108), (12, 10935090), (15, 8748072), (18, 7290060), (20, 6561054), (24, 5467545), (27, 4860040), (30, 4374036), (36, 3645030), (40, 3280527), (45, 2916024), (54, 2430020), (60, 2187018), (72, 1822515), (90, 1458012), (108, 1215010), (120, 1093509), (135, 972008), (180, 729006), (216, 607505), (270, 486004), (360, 364503), (540, 243002), (1080, 121501)]