28890540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7643}}^1$

素因数の和:7668

約数の個数: 96

約数和(自身を含む): 102735360

約数和(自身を除く): 73844820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7643, 15286, 22929, 30572, 38215, 45858, 53501, 68787, 76430, 91716, 107002, 114645, 137574, 152860, 160503, 206361, 214004, 229290, 267505, 275148, 321006, 343935, 412722, 458580, 481509, 535010, 642012, 687870, 802515, 825444, 963018, 1031805, 1070020, 1375740, 1444527, 1605030, 1926036, 2063610, 2407545, 2889054, 3210060, 4127220, 4815090, 5778108, 7222635, 9630180, 14445270, 28890540]

約数ペア:

[(1, 28890540), (2, 14445270), (3, 9630180), (4, 7222635), (5, 5778108), (6, 4815090), (7, 4127220), (9, 3210060), (10, 2889054), (12, 2407545), (14, 2063610), (15, 1926036), (18, 1605030), (20, 1444527), (21, 1375740), (27, 1070020), (28, 1031805), (30, 963018), (35, 825444), (36, 802515), (42, 687870), (45, 642012), (54, 535010), (60, 481509), (63, 458580), (70, 412722), (84, 343935), (90, 321006), (105, 275148), (108, 267505), (126, 229290), (135, 214004), (140, 206361), (180, 160503), (189, 152860), (210, 137574), (252, 114645), (270, 107002), (315, 91716), (378, 76430), (420, 68787), (540, 53501), (630, 45858), (756, 38215), (945, 30572), (1260, 22929), (1890, 15286), (3780, 7643)]