66475360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 187019280

約数和(自身を除く): 120543920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 139, 140, 160, 196, 224, 244, 245, 278, 280, 305, 392, 427, 488, 490, 556, 560, 610, 695, 784, 854, 973, 976, 980, 1112, 1120, 1220, 1390, 1568, 1708, 1946, 1952, 1960, 2135, 2224, 2440, 2780, 2989, 3416, 3892, 3920, 4270, 4448, 4865, 4880, 5560, 5978, 6811, 6832, 7784, 7840, 8479, 8540, 9730, 9760, 11120, 11956, 13622, 13664, 14945, 15568, 16958, 17080, 19460, 22240, 23912, 27244, 29890, 31136, 33916, 34055, 34160, 38920, 42395, 47824, 54488, 59353, 59780, 67832, 68110, 68320, 77840, 84790, 95648, 108976, 118706, 119560, 135664, 136220, 155680, 169580, 217952, 237412, 239120, 271328, 272440, 296765, 339160, 415471, 474824, 478240, 544880, 593530, 678320, 830942, 949648, 1089760, 1187060, 1356640, 1661884, 1899296, 2077355, 2374120, 3323768, 4154710, 4748240, 6647536, 8309420, 9496480, 13295072, 16618840, 33237680, 66475360]

約数ペア:

[(1, 66475360), (2, 33237680), (4, 16618840), (5, 13295072), (7, 9496480), (8, 8309420), (10, 6647536), (14, 4748240), (16, 4154710), (20, 3323768), (28, 2374120), (32, 2077355), (35, 1899296), (40, 1661884), (49, 1356640), (56, 1187060), (61, 1089760), (70, 949648), (80, 830942), (98, 678320), (112, 593530), (122, 544880), (139, 478240), (140, 474824), (160, 415471), (196, 339160), (224, 296765), (244, 272440), (245, 271328), (278, 239120), (280, 237412), (305, 217952), (392, 169580), (427, 155680), (488, 136220), (490, 135664), (556, 119560), (560, 118706), (610, 108976), (695, 95648), (784, 84790), (854, 77840), (973, 68320), (976, 68110), (980, 67832), (1112, 59780), (1120, 59353), (1220, 54488), (1390, 47824), (1568, 42395), (1708, 38920), (1946, 34160), (1952, 34055), (1960, 33916), (2135, 31136), (2224, 29890), (2440, 27244), (2780, 23912), (2989, 22240), (3416, 19460), (3892, 17080), (3920, 16958), (4270, 15568), (4448, 14945), (4865, 13664), (4880, 13622), (5560, 11956), (5978, 11120), (6811, 9760), (6832, 9730), (7784, 8540), (7840, 8479)]