251016960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 809424000

約数和(自身を除く): 558407040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 256, 262, 320, 384, 393, 480, 499, 524, 640, 655, 768, 786, 960, 998, 1048, 1280, 1310, 1497, 1572, 1920, 1965, 1996, 2096, 2495, 2620, 2994, 3144, 3840, 3930, 3992, 4192, 4990, 5240, 5988, 6288, 7485, 7860, 7984, 8384, 9980, 10480, 11976, 12576, 14970, 15720, 15968, 16768, 19960, 20960, 23952, 25152, 29940, 31440, 31936, 33536, 39920, 41920, 47904, 50304, 59880, 62880, 63872, 65369, 79840, 83840, 95808, 100608, 119760, 125760, 127744, 130738, 159680, 167680, 191616, 196107, 239520, 251520, 261476, 319360, 326845, 383232, 392214, 479040, 503040, 522952, 638720, 653690, 784428, 958080, 980535, 1045904, 1307380, 1568856, 1916160, 1961070, 2091808, 2614760, 3137712, 3922140, 4183616, 5229520, 6275424, 7844280, 8367232, 10459040, 12550848, 15688560, 16734464, 20918080, 25101696, 31377120, 41836160, 50203392, 62754240, 83672320, 125508480, 251016960]

約数ペア:

[(1, 251016960), (2, 125508480), (3, 83672320), (4, 62754240), (5, 50203392), (6, 41836160), (8, 31377120), (10, 25101696), (12, 20918080), (15, 16734464), (16, 15688560), (20, 12550848), (24, 10459040), (30, 8367232), (32, 7844280), (40, 6275424), (48, 5229520), (60, 4183616), (64, 3922140), (80, 3137712), (96, 2614760), (120, 2091808), (128, 1961070), (131, 1916160), (160, 1568856), (192, 1307380), (240, 1045904), (256, 980535), (262, 958080), (320, 784428), (384, 653690), (393, 638720), (480, 522952), (499, 503040), (524, 479040), (640, 392214), (655, 383232), (768, 326845), (786, 319360), (960, 261476), (998, 251520), (1048, 239520), (1280, 196107), (1310, 191616), (1497, 167680), (1572, 159680), (1920, 130738), (1965, 127744), (1996, 125760), (2096, 119760), (2495, 100608), (2620, 95808), (2994, 83840), (3144, 79840), (3840, 65369), (3930, 63872), (3992, 62880), (4192, 59880), (4990, 50304), (5240, 47904), (5988, 41920), (6288, 39920), (7485, 33536), (7860, 31936), (7984, 31440), (8384, 29940), (9980, 25152), (10480, 23952), (11976, 20960), (12576, 19960), (14970, 16768), (15720, 15968)]