251160960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:788

約数の個数: 128

約数和(自身を含む): 805269600

約数和(自身を除く): 554108640

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, 160, 192, 240, 257, 320, 384, 480, 509, 514, 640, 771, 960, 1018, 1028, 1285, 1527, 1542, 1920, 2036, 2056, 2545, 2570, 3054, 3084, 3855, 4072, 4112, 5090, 5140, 6108, 6168, 7635, 7710, 8144, 8224, 10180, 10280, 12216, 12336, 15270, 15420, 16288, 16448, 20360, 20560, 24432, 24672, 30540, 30840, 32576, 32896, 40720, 41120, 48864, 49344, 61080, 61680, 65152, 81440, 82240, 97728, 98688, 122160, 123360, 130813, 162880, 164480, 195456, 244320, 246720, 261626, 325760, 392439, 488640, 493440, 523252, 654065, 784878, 977280, 1046504, 1308130, 1569756, 1962195, 2093008, 2616260, 3139512, 3924390, 4186016, 5232520, 6279024, 7848780, 8372032, 10465040, 12558048, 15697560, 16744064, 20930080, 25116096, 31395120, 41860160, 50232192, 62790240, 83720320, 125580480, 251160960]

約数ペア:

[(1, 251160960), (2, 125580480), (3, 83720320), (4, 62790240), (5, 50232192), (6, 41860160), (8, 31395120), (10, 25116096), (12, 20930080), (15, 16744064), (16, 15697560), (20, 12558048), (24, 10465040), (30, 8372032), (32, 7848780), (40, 6279024), (48, 5232520), (60, 4186016), (64, 3924390), (80, 3139512), (96, 2616260), (120, 2093008), (128, 1962195), (160, 1569756), (192, 1308130), (240, 1046504), (257, 977280), (320, 784878), (384, 654065), (480, 523252), (509, 493440), (514, 488640), (640, 392439), (771, 325760), (960, 261626), (1018, 246720), (1028, 244320), (1285, 195456), (1527, 164480), (1542, 162880), (1920, 130813), (2036, 123360), (2056, 122160), (2545, 98688), (2570, 97728), (3054, 82240), (3084, 81440), (3855, 65152), (4072, 61680), (4112, 61080), (5090, 49344), (5140, 48864), (6108, 41120), (6168, 40720), (7635, 32896), (7710, 32576), (8144, 30840), (8224, 30540), (10180, 24672), (10280, 24432), (12216, 20560), (12336, 20360), (15270, 16448), (15420, 16288)]