251283120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 240

約数和(自身を含む): 908379360

約数和(自身を除く): 657096240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 121, 132, 136, 165, 170, 176, 187, 204, 220, 240, 242, 255, 264, 272, 330, 340, 363, 374, 408, 440, 484, 509, 510, 528, 561, 605, 660, 680, 726, 748, 816, 880, 935, 968, 1018, 1020, 1122, 1210, 1320, 1360, 1452, 1496, 1527, 1815, 1870, 1936, 2036, 2040, 2057, 2244, 2420, 2545, 2640, 2805, 2904, 2992, 3054, 3630, 3740, 4072, 4080, 4114, 4488, 4840, 5090, 5599, 5610, 5808, 6108, 6171, 7260, 7480, 7635, 8144, 8228, 8653, 8976, 9680, 10180, 10285, 11198, 11220, 12216, 12342, 14520, 14960, 15270, 16456, 16797, 17306, 20360, 20570, 22396, 22440, 24432, 24684, 25959, 27995, 29040, 30540, 30855, 32912, 33594, 34612, 40720, 41140, 43265, 44792, 44880, 49368, 51918, 55990, 61080, 61589, 61710, 67188, 69224, 82280, 83985, 86530, 89584, 95183, 98736, 103836, 111980, 122160, 123178, 123420, 129795, 134376, 138448, 164560, 167970, 173060, 184767, 190366, 207672, 223960, 246356, 246840, 259590, 268752, 285549, 307945, 335940, 346120, 369534, 380732, 415344, 447920, 475915, 492712, 493680, 519180, 571098, 615890, 671880, 692240, 739068, 761464, 923835, 951830, 985424, 1038360, 1047013, 1142196, 1231780, 1343760, 1427745, 1478136, 1522928, 1847670, 1903660, 2076720, 2094026, 2284392, 2463560, 2855490, 2956272, 3141039, 3695340, 3807320, 4188052, 4568784, 4927120, 5235065, 5710980, 6282078, 7390680, 7614640, 8376104, 10470130, 11421960, 12564156, 14781360, 15705195, 16752208, 20940260, 22843920, 25128312, 31410390, 41880520, 50256624, 62820780, 83761040, 125641560, 251283120]

約数ペア:

[(1, 251283120), (2, 125641560), (3, 83761040), (4, 62820780), (5, 50256624), (6, 41880520), (8, 31410390), (10, 25128312), (11, 22843920), (12, 20940260), (15, 16752208), (16, 15705195), (17, 14781360), (20, 12564156), (22, 11421960), (24, 10470130), (30, 8376104), (33, 7614640), (34, 7390680), (40, 6282078), (44, 5710980), (48, 5235065), (51, 4927120), (55, 4568784), (60, 4188052), (66, 3807320), (68, 3695340), (80, 3141039), (85, 2956272), (88, 2855490), (102, 2463560), (110, 2284392), (120, 2094026), (121, 2076720), (132, 1903660), (136, 1847670), (165, 1522928), (170, 1478136), (176, 1427745), (187, 1343760), (204, 1231780), (220, 1142196), (240, 1047013), (242, 1038360), (255, 985424), (264, 951830), (272, 923835), (330, 761464), (340, 739068), (363, 692240), (374, 671880), (408, 615890), (440, 571098), (484, 519180), (509, 493680), (510, 492712), (528, 475915), (561, 447920), (605, 415344), (660, 380732), (680, 369534), (726, 346120), (748, 335940), (816, 307945), (880, 285549), (935, 268752), (968, 259590), (1018, 246840), (1020, 246356), (1122, 223960), (1210, 207672), (1320, 190366), (1360, 184767), (1452, 173060), (1496, 167970), (1527, 164560), (1815, 138448), (1870, 134376), (1936, 129795), (2036, 123420), (2040, 123178), (2057, 122160), (2244, 111980), (2420, 103836), (2545, 98736), (2640, 95183), (2805, 89584), (2904, 86530), (2992, 83985), (3054, 82280), (3630, 69224), (3740, 67188), (4072, 61710), (4080, 61589), (4114, 61080), (4488, 55990), (4840, 51918), (5090, 49368), (5599, 44880), (5610, 44792), (5808, 43265), (6108, 41140), (6171, 40720), (7260, 34612), (7480, 33594), (7635, 32912), (8144, 30855), (8228, 30540), (8653, 29040), (8976, 27995), (9680, 25959), (10180, 24684), (10285, 24432), (11198, 22440), (11220, 22396), (12216, 20570), (12342, 20360), (14520, 17306), (14960, 16797), (15270, 16456)]