201527920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 522466560

約数和(自身を除く): 320938640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 121, 176, 191, 218, 220, 242, 382, 436, 440, 484, 545, 605, 764, 872, 880, 955, 968, 1090, 1199, 1210, 1528, 1744, 1910, 1936, 2101, 2180, 2398, 2420, 3056, 3820, 4202, 4360, 4796, 4840, 5995, 7640, 8404, 8720, 9592, 9680, 10505, 11990, 13189, 15280, 16808, 19184, 20819, 21010, 23111, 23980, 26378, 33616, 41638, 42020, 46222, 47960, 52756, 65945, 83276, 84040, 92444, 95920, 104095, 105512, 115555, 131890, 166552, 168080, 184888, 208190, 211024, 229009, 231110, 263780, 333104, 369776, 416380, 458018, 462220, 527560, 832760, 916036, 924440, 1055120, 1145045, 1665520, 1832072, 1848880, 2290090, 2519099, 3664144, 4580180, 5038198, 9160360, 10076396, 12595495, 18320720, 20152792, 25190990, 40305584, 50381980, 100763960, 201527920]

約数ペア:

[(1, 201527920), (2, 100763960), (4, 50381980), (5, 40305584), (8, 25190990), (10, 20152792), (11, 18320720), (16, 12595495), (20, 10076396), (22, 9160360), (40, 5038198), (44, 4580180), (55, 3664144), (80, 2519099), (88, 2290090), (109, 1848880), (110, 1832072), (121, 1665520), (176, 1145045), (191, 1055120), (218, 924440), (220, 916036), (242, 832760), (382, 527560), (436, 462220), (440, 458018), (484, 416380), (545, 369776), (605, 333104), (764, 263780), (872, 231110), (880, 229009), (955, 211024), (968, 208190), (1090, 184888), (1199, 168080), (1210, 166552), (1528, 131890), (1744, 115555), (1910, 105512), (1936, 104095), (2101, 95920), (2180, 92444), (2398, 84040), (2420, 83276), (3056, 65945), (3820, 52756), (4202, 47960), (4360, 46222), (4796, 42020), (4840, 41638), (5995, 33616), (7640, 26378), (8404, 23980), (8720, 23111), (9592, 21010), (9680, 20819), (10505, 19184), (11990, 16808), (13189, 15280)]