81255328

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{673}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 203817600

約数和(自身を除く): 122562272

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 343, 352, 392, 539, 616, 673, 686, 784, 1078, 1232, 1346, 1372, 1568, 2156, 2464, 2692, 2744, 3773, 4312, 4711, 5384, 5488, 7403, 7546, 8624, 9422, 10768, 10976, 14806, 15092, 17248, 18844, 21536, 29612, 30184, 32977, 37688, 51821, 59224, 60368, 65954, 75376, 103642, 118448, 120736, 131908, 150752, 207284, 230839, 236896, 263816, 362747, 414568, 461678, 527632, 725494, 829136, 923356, 1055264, 1450988, 1658272, 1846712, 2539229, 2901976, 3693424, 5078458, 5803952, 7386848, 10156916, 11607904, 20313832, 40627664, 81255328]

約数ペア:

[(1, 81255328), (2, 40627664), (4, 20313832), (7, 11607904), (8, 10156916), (11, 7386848), (14, 5803952), (16, 5078458), (22, 3693424), (28, 2901976), (32, 2539229), (44, 1846712), (49, 1658272), (56, 1450988), (77, 1055264), (88, 923356), (98, 829136), (112, 725494), (154, 527632), (176, 461678), (196, 414568), (224, 362747), (308, 263816), (343, 236896), (352, 230839), (392, 207284), (539, 150752), (616, 131908), (673, 120736), (686, 118448), (784, 103642), (1078, 75376), (1232, 65954), (1346, 60368), (1372, 59224), (1568, 51821), (2156, 37688), (2464, 32977), (2692, 30184), (2744, 29612), (3773, 21536), (4312, 18844), (4711, 17248), (5384, 15092), (5488, 14806), (7403, 10976), (7546, 10768), (8624, 9422)]