245326575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 500030496

約数和(自身を除く): 254703921

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 41, 51, 57, 65, 75, 85, 95, 123, 195, 205, 221, 247, 255, 285, 323, 325, 361, 425, 475, 533, 615, 663, 697, 741, 779, 969, 975, 1025, 1083, 1105, 1235, 1275, 1425, 1599, 1615, 1805, 2091, 2337, 2665, 3075, 3315, 3485, 3705, 3895, 4199, 4693, 4845, 5415, 5525, 6137, 6175, 7995, 8075, 9025, 9061, 10127, 10455, 11685, 12597, 13243, 13325, 14079, 14801, 16575, 17425, 18411, 18525, 19475, 20995, 23465, 24225, 27075, 27183, 30381, 30685, 39729, 39975, 44403, 45305, 50635, 52275, 58425, 62985, 66215, 70395, 74005, 79781, 92055, 104975, 117325, 135915, 151905, 153425, 172159, 192413, 198645, 222015, 226525, 239343, 251617, 253175, 314925, 331075, 351975, 370025, 398905, 460275, 516477, 577239, 679575, 754851, 759525, 860795, 962065, 993225, 1110075, 1196715, 1258085, 1994525, 2582385, 2886195, 3271021, 3774255, 4303975, 4810325, 5983575, 6290425, 9813063, 12911925, 14430975, 16355105, 18871275, 49065315, 81775525, 245326575]

約数ペア:

[(1, 245326575), (3, 81775525), (5, 49065315), (13, 18871275), (15, 16355105), (17, 14430975), (19, 12911925), (25, 9813063), (39, 6290425), (41, 5983575), (51, 4810325), (57, 4303975), (65, 3774255), (75, 3271021), (85, 2886195), (95, 2582385), (123, 1994525), (195, 1258085), (205, 1196715), (221, 1110075), (247, 993225), (255, 962065), (285, 860795), (323, 759525), (325, 754851), (361, 679575), (425, 577239), (475, 516477), (533, 460275), (615, 398905), (663, 370025), (697, 351975), (741, 331075), (779, 314925), (969, 253175), (975, 251617), (1025, 239343), (1083, 226525), (1105, 222015), (1235, 198645), (1275, 192413), (1425, 172159), (1599, 153425), (1615, 151905), (1805, 135915), (2091, 117325), (2337, 104975), (2665, 92055), (3075, 79781), (3315, 74005), (3485, 70395), (3705, 66215), (3895, 62985), (4199, 58425), (4693, 52275), (4845, 50635), (5415, 45305), (5525, 44403), (6137, 39975), (6175, 39729), (7995, 30685), (8075, 30381), (9025, 27183), (9061, 27075), (10127, 24225), (10455, 23465), (11685, 20995), (12597, 19475), (13243, 18525), (13325, 18411), (14079, 17425), (14801, 16575)]