38520720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{7643}}^1$

素因数の和:7669

約数の個数: 120

約数和(自身を含む): 147865536

約数和(自身を除く): 109344816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 7643, 15286, 22929, 30572, 38215, 45858, 53501, 61144, 68787, 76430, 91716, 107002, 114645, 122288, 137574, 152860, 160503, 183432, 214004, 229290, 267505, 275148, 305720, 321006, 343935, 366864, 428008, 458580, 481509, 535010, 550296, 611440, 642012, 687870, 802515, 856016, 917160, 963018, 1070020, 1100592, 1284024, 1375740, 1605030, 1834320, 1926036, 2140040, 2407545, 2568048, 2751480, 3210060, 3852072, 4280080, 4815090, 5502960, 6420120, 7704144, 9630180, 12840240, 19260360, 38520720]

約数ペア:

[(1, 38520720), (2, 19260360), (3, 12840240), (4, 9630180), (5, 7704144), (6, 6420120), (7, 5502960), (8, 4815090), (9, 4280080), (10, 3852072), (12, 3210060), (14, 2751480), (15, 2568048), (16, 2407545), (18, 2140040), (20, 1926036), (21, 1834320), (24, 1605030), (28, 1375740), (30, 1284024), (35, 1100592), (36, 1070020), (40, 963018), (42, 917160), (45, 856016), (48, 802515), (56, 687870), (60, 642012), (63, 611440), (70, 550296), (72, 535010), (80, 481509), (84, 458580), (90, 428008), (105, 366864), (112, 343935), (120, 321006), (126, 305720), (140, 275148), (144, 267505), (168, 229290), (180, 214004), (210, 183432), (240, 160503), (252, 152860), (280, 137574), (315, 122288), (336, 114645), (360, 107002), (420, 91716), (504, 76430), (560, 68787), (630, 61144), (720, 53501), (840, 45858), (1008, 38215), (1260, 30572), (1680, 22929), (2520, 15286), (5040, 7643)]