78868160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 217041984

約数和(自身を除く): 138173824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 224, 257, 274, 280, 320, 448, 514, 548, 560, 685, 959, 1028, 1096, 1120, 1285, 1370, 1799, 1918, 2056, 2192, 2240, 2570, 2740, 3598, 3836, 4112, 4384, 4795, 5140, 5480, 7196, 7672, 8224, 8768, 8995, 9590, 10280, 10960, 14392, 15344, 16448, 17990, 19180, 20560, 21920, 28784, 30688, 35209, 35980, 38360, 41120, 43840, 57568, 61376, 70418, 71960, 76720, 82240, 115136, 140836, 143920, 153440, 176045, 246463, 281672, 287840, 306880, 352090, 492926, 563344, 575680, 704180, 985852, 1126688, 1232315, 1408360, 1971704, 2253376, 2464630, 2816720, 3943408, 4929260, 5633440, 7886816, 9858520, 11266880, 15773632, 19717040, 39434080, 78868160]

約数ペア:

[(1, 78868160), (2, 39434080), (4, 19717040), (5, 15773632), (7, 11266880), (8, 9858520), (10, 7886816), (14, 5633440), (16, 4929260), (20, 3943408), (28, 2816720), (32, 2464630), (35, 2253376), (40, 1971704), (56, 1408360), (64, 1232315), (70, 1126688), (80, 985852), (112, 704180), (137, 575680), (140, 563344), (160, 492926), (224, 352090), (257, 306880), (274, 287840), (280, 281672), (320, 246463), (448, 176045), (514, 153440), (548, 143920), (560, 140836), (685, 115136), (959, 82240), (1028, 76720), (1096, 71960), (1120, 70418), (1285, 61376), (1370, 57568), (1799, 43840), (1918, 41120), (2056, 38360), (2192, 35980), (2240, 35209), (2570, 30688), (2740, 28784), (3598, 21920), (3836, 20560), (4112, 19180), (4384, 17990), (4795, 16448), (5140, 15344), (5480, 14392), (7196, 10960), (7672, 10280), (8224, 9590), (8768, 8995)]