263559040

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 659466720

約数和(自身を除く): 395907680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 64, 80, 86, 122, 128, 157, 160, 172, 215, 244, 305, 314, 320, 344, 430, 488, 610, 628, 640, 688, 785, 860, 976, 1220, 1256, 1376, 1570, 1720, 1952, 2440, 2512, 2623, 2752, 3140, 3440, 3904, 4880, 5024, 5246, 5504, 6280, 6751, 6880, 7808, 9577, 9760, 10048, 10492, 12560, 13115, 13502, 13760, 19154, 19520, 20096, 20984, 25120, 26230, 27004, 27520, 33755, 38308, 39040, 41968, 47885, 50240, 52460, 54008, 67510, 76616, 83936, 95770, 100480, 104920, 108016, 135020, 153232, 167872, 191540, 209840, 216032, 270040, 306464, 335744, 383080, 411811, 419680, 432064, 540080, 612928, 766160, 823622, 839360, 864128, 1080160, 1225856, 1532320, 1647244, 1678720, 2059055, 2160320, 3064640, 3294488, 4118110, 4320640, 6129280, 6588976, 8236220, 13177952, 16472440, 26355904, 32944880, 52711808, 65889760, 131779520, 263559040]

約数ペア:

[(1, 263559040), (2, 131779520), (4, 65889760), (5, 52711808), (8, 32944880), (10, 26355904), (16, 16472440), (20, 13177952), (32, 8236220), (40, 6588976), (43, 6129280), (61, 4320640), (64, 4118110), (80, 3294488), (86, 3064640), (122, 2160320), (128, 2059055), (157, 1678720), (160, 1647244), (172, 1532320), (215, 1225856), (244, 1080160), (305, 864128), (314, 839360), (320, 823622), (344, 766160), (430, 612928), (488, 540080), (610, 432064), (628, 419680), (640, 411811), (688, 383080), (785, 335744), (860, 306464), (976, 270040), (1220, 216032), (1256, 209840), (1376, 191540), (1570, 167872), (1720, 153232), (1952, 135020), (2440, 108016), (2512, 104920), (2623, 100480), (2752, 95770), (3140, 83936), (3440, 76616), (3904, 67510), (4880, 54008), (5024, 52460), (5246, 50240), (5504, 47885), (6280, 41968), (6751, 39040), (6880, 38308), (7808, 33755), (9577, 27520), (9760, 27004), (10048, 26230), (10492, 25120), (12560, 20984), (13115, 20096), (13502, 19520), (13760, 19154)]