77315880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 245203200

約数和(自身を除く): 167887320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 109, 115, 120, 138, 184, 218, 230, 257, 276, 327, 345, 436, 460, 514, 545, 552, 654, 690, 771, 872, 920, 1028, 1090, 1285, 1308, 1380, 1542, 1635, 2056, 2180, 2507, 2570, 2616, 2760, 3084, 3270, 3855, 4360, 5014, 5140, 5911, 6168, 6540, 7521, 7710, 10028, 10280, 11822, 12535, 13080, 15042, 15420, 17733, 20056, 23644, 25070, 28013, 29555, 30084, 30840, 35466, 37605, 47288, 50140, 56026, 59110, 60168, 70932, 75210, 84039, 88665, 100280, 112052, 118220, 140065, 141864, 150420, 168078, 177330, 224104, 236440, 280130, 300840, 336156, 354660, 420195, 560260, 644299, 672312, 709320, 840390, 1120520, 1288598, 1680780, 1932897, 2577196, 3221495, 3361560, 3865794, 5154392, 6442990, 7731588, 9664485, 12885980, 15463176, 19328970, 25771960, 38657940, 77315880]

約数ペア:

[(1, 77315880), (2, 38657940), (3, 25771960), (4, 19328970), (5, 15463176), (6, 12885980), (8, 9664485), (10, 7731588), (12, 6442990), (15, 5154392), (20, 3865794), (23, 3361560), (24, 3221495), (30, 2577196), (40, 1932897), (46, 1680780), (60, 1288598), (69, 1120520), (92, 840390), (109, 709320), (115, 672312), (120, 644299), (138, 560260), (184, 420195), (218, 354660), (230, 336156), (257, 300840), (276, 280130), (327, 236440), (345, 224104), (436, 177330), (460, 168078), (514, 150420), (545, 141864), (552, 140065), (654, 118220), (690, 112052), (771, 100280), (872, 88665), (920, 84039), (1028, 75210), (1090, 70932), (1285, 60168), (1308, 59110), (1380, 56026), (1542, 50140), (1635, 47288), (2056, 37605), (2180, 35466), (2507, 30840), (2570, 30084), (2616, 29555), (2760, 28013), (3084, 25070), (3270, 23644), (3855, 20056), (4360, 17733), (5014, 15420), (5140, 15042), (5911, 13080), (6168, 12535), (6540, 11822), (7521, 10280), (7710, 10028)]