80458840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 228510720

約数和(自身を除く): 148051880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 151, 154, 173, 220, 280, 302, 308, 346, 385, 440, 604, 616, 692, 755, 770, 865, 1057, 1208, 1211, 1384, 1510, 1540, 1661, 1730, 1903, 2114, 2422, 3020, 3080, 3322, 3460, 3806, 4228, 4844, 5285, 6040, 6055, 6644, 6920, 7612, 8305, 8456, 9515, 9688, 10570, 11627, 12110, 13288, 13321, 15224, 16610, 19030, 21140, 23254, 24220, 26123, 26642, 33220, 38060, 42280, 46508, 48440, 52246, 53284, 58135, 66440, 66605, 76120, 93016, 104492, 106568, 116270, 130615, 133210, 182861, 208984, 232540, 261230, 266420, 287353, 365722, 465080, 522460, 532840, 574706, 731444, 914305, 1044920, 1149412, 1436765, 1462888, 1828610, 2011471, 2298824, 2873530, 3657220, 4022942, 5747060, 7314440, 8045884, 10057355, 11494120, 16091768, 20114710, 40229420, 80458840]

約数ペア:

[(1, 80458840), (2, 40229420), (4, 20114710), (5, 16091768), (7, 11494120), (8, 10057355), (10, 8045884), (11, 7314440), (14, 5747060), (20, 4022942), (22, 3657220), (28, 2873530), (35, 2298824), (40, 2011471), (44, 1828610), (55, 1462888), (56, 1436765), (70, 1149412), (77, 1044920), (88, 914305), (110, 731444), (140, 574706), (151, 532840), (154, 522460), (173, 465080), (220, 365722), (280, 287353), (302, 266420), (308, 261230), (346, 232540), (385, 208984), (440, 182861), (604, 133210), (616, 130615), (692, 116270), (755, 106568), (770, 104492), (865, 93016), (1057, 76120), (1208, 66605), (1211, 66440), (1384, 58135), (1510, 53284), (1540, 52246), (1661, 48440), (1730, 46508), (1903, 42280), (2114, 38060), (2422, 33220), (3020, 26642), (3080, 26123), (3322, 24220), (3460, 23254), (3806, 21140), (4228, 19030), (4844, 16610), (5285, 15224), (6040, 13321), (6055, 13288), (6644, 12110), (6920, 11627), (7612, 10570), (8305, 9688), (8456, 9515)]